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Toys & HobbiesAquarium Heaters & ThermometersLights & LightingOBDConsumer ElectronicsBluetooth Car Kit/Hands-freeWiFi&Music ControlDoor LocksPhones & AccessoriesVehicle Repair ToolsComputer PeripheralsSmart SwitchPlug Strip LightsRemote ControlPower SupplyWireless ChargersNeon LED LightsHome AppliancesWaterproof Strip LightsCOB Strip LightsHallowen Laser Lights

12v Relay 3a See All 50 products in 12v Relay 3a

4.0&Up
Universal 12V/24V Automotive Relay Tester Automotive Relay Short Circuit Tester Auto Battery Checker Electronic Relay Tester
Quick Look
Universal 12V/24V Automotive Relay Tester Automotive Relay Short Circuit Tester Auto Battery Checker Electronic Relay Tester
$39.99
5.0
Vehicle Repair Tools
USB 3.0 USB C Hubs 6 Ports 6-in-1 Support Power Delivery Function USB Hub with RJ45 12V / 3A DC 5V / 3A 20V / 5A Power Delivery For Laptop Tablet Smartphone
Quick Look
USB 3.0 USB C Hubs 6 Ports 6-in-1 Support Power Delivery Function USB Hub with RJ45 12V / 3A DC 5V / 3A 20V / 5A Power Delivery For Laptop Tablet Smartphone
$75.99
5.0
Computer Peripherals
Auto Car Automotive Relay Tester For 12V 4 / 5 Pin With Battery Clips Car Electronic Relay Tester Battery Checker
Quick Look
Auto Car Automotive Relay Tester For 12V 4 / 5 Pin With Battery Clips Car Electronic Relay Tester Battery Checker
$31.99
5.0
OBD
12V Automobile Relay Tester - Electronic Battery & Generator Diagnostic Tool, Universal Check Analyzer
12V Automobile Relay Tester - Electronic Battery & Generator Diagnostic Tool, Universal Check Analyzer
$31.99
4.9
Vehicle Repair Tools
DC 12V 3A Power Adapter 36W AC100-240V to DC12V Transformers Switching Power Supply for LCD Monitor Wireless Router CCTV Cameras
Quick Look
DC 12V 3A Power Adapter 36W AC100-240V to DC12V Transformers Switching Power Supply for LCD Monitor Wireless Router CCTV Cameras
$17.49
$48.67
5.0
Power Supply
DC 12V 24V 48V 433Mhz Wireless Remote Control Switch 30A High Current Relay Receiver for Pumps Lights Lamps
Quick Look
DC 12V 24V 48V 433Mhz Wireless Remote Control Switch 30A High Current Relay Receiver for Pumps Lights Lamps
$23.99
$47.98
4.0
Home Appliances
RF Wireless Remote Control Switch relay 433mhz DC 12V 1CH Receiver Module For learning code Transmitter Remote
Quick Look
RF Wireless Remote Control Switch relay 433mhz DC 12V 1CH Receiver Module For learning code Transmitter Remote
$19.99
5.0
Smart Switch
433Mhz Universal Wireless Remote Control Switch DC 12V 4CH relay Receiver Module with 4 Channel RF Remote
Quick Look
433Mhz Universal Wireless Remote Control Switch DC 12V 4CH relay Receiver Module with 4 Channel RF Remote
$23.99
5.0
Door Locks
Smart RGB LED Strip Light App Control 15m 49ft 2835 SMD 810 LEDs IR 24 Key Controller Work with Alexa Google 12V 3A Adapter Kit
Quick Look
Smart RGB LED Strip Light App Control 15m 49ft 2835 SMD 810 LEDs IR 24 Key Controller Work with Alexa Google 12V 3A Adapter Kit
$40.99
$96.54
4.9
Remote Control
8USB Mobile Phone Fast Charging Digital Display QC3.0 Flash Charging Fast Multi-function PD Fast Charging Multi-port Charger With Display
8USB Mobile Phone Fast Charging Digital Display QC3.0 Flash Charging Fast Multi-function PD Fast Charging Multi-port Charger With Display
$51.99
$103.45
4.9
Wireless Chargers
200W GaN Charging Station 6-Port USB C Charger Quick Charge QC PD 3.0 Type C Fast USB Charger For iPhone 15 14 13 12 Pro MacBook
Quick Look
200W GaN Charging Station 6-Port USB C Charger Quick Charge QC PD 3.0 Type C Fast USB Charger For iPhone 15 14 13 12 Pro MacBook
$63.99
5.0
Computer Peripherals
QC 3.0 Dual USB Car Charger with Voltmeter Display Power Adapter Cigarette Lighter Socket for Mobile Phone
Quick Look
QC 3.0 Dual USB Car Charger with Voltmeter Display Power Adapter Cigarette Lighter Socket for Mobile Phone
$28.99
4.8
Bluetooth Car Kit/Hands-free
300W Multi USB Charger 60 Port USB Fast Charging Station Universal Carregador Portatil For Iphone 15 Samsung Xiaomi Ipad Tablet
Quick Look
300W Multi USB Charger 60 Port USB Fast Charging Station Universal Carregador Portatil For Iphone 15 Samsung Xiaomi Ipad Tablet
$54.99
5.0
Computer Peripherals
USB 3.0 HUB USB Splitter Multi Usb 3 0 Hub Several Ports With Switch Power Supply Adapter Multiple Usb 3.0 Extender Hub For Pc
USB 3.0 HUB USB Splitter Multi Usb 3 0 Hub Several Ports With Switch Power Supply Adapter Multiple Usb 3.0 Extender Hub For Pc
$57.99
5.0
Computer Peripherals
150W Car Charger - USB Type C Super Fast Charging, PD 4.0 & Quick Charge 3.0, Cigarette Lighter Socket
Quick Look
150W Car Charger - USB Type C Super Fast Charging, PD 4.0 & Quick Charge 3.0, Cigarette Lighter Socket
$19.99
5.0
Bluetooth Car Kit/Hands-free
Smart RGB LED Strip Light 20M 10M Music Sync SMD 5050 65.6ft32.8ft Color Changing Bluetooth APP Control with Plug for Kitchen Bedroom Home TV Party
Smart RGB LED Strip Light 20M 10M Music Sync SMD 5050 65.6ft32.8ft Color Changing Bluetooth APP Control with Plug for Kitchen Bedroom Home TV Party
$40.99
$84.71
4.8
WiFi&Music Control
20m 65ft Smart Led Strip Light App WiFi Bluetooth Music Sync Waterproof RGB SMD 2835 1080 LEDs Work with Alexa Google 12V
Quick Look
20m 65ft Smart Led Strip Light App WiFi Bluetooth Music Sync Waterproof RGB SMD 2835 1080 LEDs Work with Alexa Google 12V
$49.99
$73.87
5.0
WiFi&Music Control
LED Strip Light 32.8ft 10M RGB SMD 5050 30LED/M 2835 60/M Color Changing Waterproof for Home Holiday Party Backlight Decoration
LED Strip Light 32.8ft 10M RGB SMD 5050 30LED/M 2835 60/M Color Changing Waterproof for Home Holiday Party Backlight Decoration
$12.99
$19.04
4.9
Waterproof Strip Lights
160W Gan Fast Charge 3.0 USB Type C Fast Charger Mobile 6-port USB Type C PD Charger Convenient To Carry Tablet Charger
Quick Look
160W Gan Fast Charge 3.0 USB Type C Fast Charger Mobile 6-port USB Type C PD Charger Convenient To Carry Tablet Charger
$44.99
5.0
Computer Peripherals
268W Multi-Port USB Charger USB C Fast Charger 8-Port Charging Station Hub Fast Compact GaN Charger Power Adapter
Quick Look
268W Multi-Port USB Charger USB C Fast Charger 8-Port Charging Station Hub Fast Compact GaN Charger Power Adapter
$79.99
Computer Peripherals
5M 16.4ft RGBW LED Strip Light Waterproof 300LEDs SMD 5050 Warm White RGB Color Changing Backlight Home Party Decoration
5M 16.4ft RGBW LED Strip Light Waterproof 300LEDs SMD 5050 Warm White RGB Color Changing Backlight Home Party Decoration
$30.99
$81.89
5.0
Waterproof Strip Lights
Waterproof RGB COB Strip Light 16ft 5M Smart IC Flexible DC24V LED Tape Light WS2811 Addressable RGB with RF Controller or WIFI Controller Suitable Party Home Office DIY Lighting Projects
Waterproof RGB COB Strip Light 16ft 5M Smart IC Flexible DC24V LED Tape Light WS2811 Addressable RGB with RF Controller or WIFI Controller Suitable Party Home Office DIY Lighting Projects
$57.99
$85.62
5.0
COB Strip Lights
10m 32.8ft Smart App Control Flexible Led Strip Light 5050 RGB SMD 360 LEDs Work with Alexa Google 12V 4A Adapter Kit
10m 32.8ft Smart App Control Flexible Led Strip Light 5050 RGB SMD 360 LEDs Work with Alexa Google 12V 4A Adapter Kit
$46.99
$82.60
4.9
Remote Control
Neon Rope Smart RGB LED Light Strip Kit Work with Alexa Google 3M 12V RGB WIFI 5M 2*5M WiFi Phone App Control Including Adapter Kit Suitable for DIY Installation
Quick Look
Neon Rope Smart RGB LED Light Strip Kit Work with Alexa Google 3M 12V RGB WIFI 5M 2*5M WiFi Phone App Control Including Adapter Kit Suitable for DIY Installation
$47.99
$70.49
5.0
Neon LED Lights
RGB Waterproof Smart Neon Rope Light Kit, Silicone LED Strip Lights 3M, 5M, or 2x5M Bluetooth App Control, Dimmable, Music Sync, Multi-Color, DIY Cuttable
Quick Look
RGB Waterproof Smart Neon Rope Light Kit, Silicone LED Strip Lights 3M, 5M, or 2x5M Bluetooth App Control, Dimmable, Music Sync, Multi-Color, DIY Cuttable
$59.99
$89.34
5.0
WiFi&Music Control
65ft 4x 5 Meter Music Synchronous Happy Multicolour Light Strip 2835 RGB LED Flexible Light Strip with 20 key IR Controller Optional with Adapter Kit DC12V
Quick Look
65ft 4x 5 Meter Music Synchronous Happy Multicolour Light Strip 2835 RGB LED Flexible Light Strip with 20 key IR Controller Optional with Adapter Kit DC12V
$38.99
$113.35
4.9
WiFi&Music Control
Temperature Gauge Sensor,Temperature Controller Thermostat Dual LED Digital Temperature Regulator Detector Temp Meter Heat Cooler
Quick Look
Temperature Gauge Sensor,Temperature Controller Thermostat Dual LED Digital Temperature Regulator Detector Temp Meter Heat Cooler
$18.49
5.0
Aquarium Heaters & Thermometers
200W GaN Gallium Nitride PD Charger 5C3A Aluminum Alloy Desktop Stand Adapter 200W Multi-function Charger
Quick Look
200W GaN Gallium Nitride PD Charger 5C3A Aluminum Alloy Desktop Stand Adapter 200W Multi-function Charger
$84.99
Computer Peripherals
LED UV Silicone Waterproof Light with Halloween Atmosphere Neon Orange Outdoor Light with SMD2835 380-400NM UV LED Black Light Suitable for Christmas Halloween Fluorescent Dance and UV Body Coating
Quick Look
LED UV Silicone Waterproof Light with Halloween Atmosphere Neon Orange Outdoor Light with SMD2835 380-400NM UV LED Black Light Suitable for Christmas Halloween Fluorescent Dance and UV Body Coating
$14.49
$21.63
5.0
Neon LED Lights
20m 65FT LED RGB Light Strip SMD 5050 Waterproof IP65 Flexible with IR 44 Key Controller for TV Bedroom Party Home Decration 360LEDs 10mm 2x32.8FT
20m 65FT LED RGB Light Strip SMD 5050 Waterproof IP65 Flexible with IR 44 Key Controller for TV Bedroom Party Home Decration 360LEDs 10mm 2x32.8FT
$45.99
$87.08
4.7
Waterproof Strip Lights
268W Desktop GaN Charger 8-port USB Type C PD Charger Fast Charge 3.0 USB Type C Fast Charger Mobile USB Charger
Quick Look
268W Desktop GaN Charger 8-port USB Type C PD Charger Fast Charge 3.0 USB Type C Fast Charger Mobile USB Charger
$79.99
Computer Peripherals
LED Strip Lights RGB 65.6ft 20m 32.8ft 10m Tape Light SMD5050 Music Sync Color Changing Bluetooth app Controller Decoration for Home Party TV Backlight
Quick Look
LED Strip Lights RGB 65.6ft 20m 32.8ft 10m Tape Light SMD5050 Music Sync Color Changing Bluetooth app Controller Decoration for Home Party TV Backlight
$32.99
$66.63
4.7
WiFi&Music Control
LED Strip Lights RGB 65.6ft -20M 32.8ft-10M Tape Light SMD5050 LED Strips with Remote Controller with 44 Keys IR Remote and 12V Power Supply Flexible Color Changing Apply to BedroomTV Party
LED Strip Lights RGB 65.6ft -20M 32.8ft-10M Tape Light SMD5050 LED Strips with Remote Controller with 44 Keys IR Remote and 12V Power Supply Flexible Color Changing Apply to BedroomTV Party
$20.99
$31.35
4.7
Remote Control
RGB Waterproof LED Flexible Neon Rope Strip Light app Music Sync Work with Alexa Google Assistant for party Décor 3~10m 9.8~32.8ft DC12V
Quick Look
RGB Waterproof LED Flexible Neon Rope Strip Light app Music Sync Work with Alexa Google Assistant for party Décor 3~10m 9.8~32.8ft DC12V
$51.99
$88.32
4.7
Neon LED Lights
65.6ft (4x5M) Smart App Control LED Strip Lights WIFI 5050 RGB 360 LEDs Work with Alexa Google with Adapter Kit DC12V
65.6ft (4x5M) Smart App Control LED Strip Lights WIFI 5050 RGB 360 LEDs Work with Alexa Google with Adapter Kit DC12V
$45.99
$103.66
4.7
WiFi&Music Control
LED UV Silicone Waterproof Light with Halloween Atmosphere Neon Orange Outdoor Light with SMD2835 380-400NM UV LED Black Light Suitable for Christmas Halloween Fluorescent Dance and UV Body Coating
Quick Look
LED UV Silicone Waterproof Light with Halloween Atmosphere Neon Orange Outdoor Light with SMD2835 380-400NM UV LED Black Light Suitable for Christmas Halloween Fluorescent Dance and UV Body Coating
$15.99
$31.98
Hallowen Laser Lights
LED Light Bar Neon Strip Light 1-5M Addressable RGB Rainbow LED Pixel Light Bar DC12V Including Power Supply and RF 17key Controller Applicable to DIY LED Neon Sign Art Wall Decoration WS2811
LED Light Bar Neon Strip Light 1-5M Addressable RGB Rainbow LED Pixel Light Bar DC12V Including Power Supply and RF 17key Controller Applicable to DIY LED Neon Sign Art Wall Decoration WS2811
$34.99
$44.70
5.0
Neon LED Lights
Waterproof Neon Light Strip Light WS2811 LED Light Bar Neon Light 2-5M Addressable RGB Rainbow Pixel Light Bar Supply WIFI APP Control Synchronize Music Control to DIY LED Neon Sign Art Wall Decoration Lighting DC12V Including Power
Quick Look
Waterproof Neon Light Strip Light WS2811 LED Light Bar Neon Light 2-5M Addressable RGB Rainbow Pixel Light Bar Supply WIFI APP Control Synchronize Music Control to DIY LED Neon Sign Art Wall Decoration Lighting DC12V Including Power
$50.99
$57.15
5.0
Neon LED Lights
Waterproof WS2811 RGBIC Woven Silicone Neon Light with Addressable Dreamy Color LED Strip 2.5M-10M 360 Degree Lighting WIFI APP Control Bedroom Indoor and Outdoor Decoration Including DC12V Adapter Kit
Waterproof WS2811 RGBIC Woven Silicone Neon Light with Addressable Dreamy Color LED Strip 2.5M-10M 360 Degree Lighting WIFI APP Control Bedroom Indoor and Outdoor Decoration Including DC12V Adapter Kit
$63.99
$113.38
5.0
Neon LED Lights
Waterproof RGBWW LED Light Strip 5050 LED, 16.4FT/33FT Flexible LED Tape Light with WIFI APP Control, RGBW Lights for Bedroom, Christmas & Party Decor
Quick Look
Waterproof RGBWW LED Light Strip 5050 LED, 16.4FT/33FT Flexible LED Tape Light with WIFI APP Control, RGBW Lights for Bedroom, Christmas & Party Decor
$30.99
$48.58
5.0
Remote Control
Waterproof Flexible LED Neon Strip Light with Power 12V Outdoor Silicone Rope 5 m 16.4 ft 600 SMD Pool Light Strip Suitable for Signature Bar Home Kitchen Bedroom Party Christmas Decorations
Quick Look
Waterproof Flexible LED Neon Strip Light with Power 12V Outdoor Silicone Rope 5 m 16.4 ft 600 SMD Pool Light Strip Suitable for Signature Bar Home Kitchen Bedroom Party Christmas Decorations
$35.99
$59.92
Neon LED Lights
Waterproof RGB Neon Light Strip 2-5M Addressable Rainbow Pixel Light Bar with WiFi & App Control, Music Synchronization for DIY LED Sign & Wall Decoration DC12V WS2811
Waterproof RGB Neon Light Strip 2-5M Addressable Rainbow Pixel Light Bar with WiFi & App Control, Music Synchronization for DIY LED Sign & Wall Decoration DC12V WS2811
$37.99
$66.40
Neon LED Lights
Waterproof RGB Neon Light WS2811 LED Light Bar Neon Light 2-5M Addressable RGB Rainbow LED Pixel Light Bar DC12V Including Power Supply and RF 17key Controller Applicable to DIY LED Neon Sign Art Wall Decoration Lighting
Waterproof RGB Neon Light WS2811 LED Light Bar Neon Light 2-5M Addressable RGB Rainbow LED Pixel Light Bar DC12V Including Power Supply and RF 17key Controller Applicable to DIY LED Neon Sign Art Wall Decoration Lighting
$37.99
$66.40
Neon LED Lights
RGB LED Strip Lights Kit 10-40 Meter(32.8-130FT) Flexible LED Light Strips 5050 RGB SMD LEDs IR 44 Key Controller with Installation Package and 12V Adapter Kit
RGB LED Strip Lights Kit 10-40 Meter(32.8-130FT) Flexible LED Light Strips 5050 RGB SMD LEDs IR 44 Key Controller with Installation Package and 12V Adapter Kit
$21.99
$36.61
Remote Control
Smart WiFi LED Strip Lights Works with Alexa 32.8ft-10M Tape Light SMD5050 Music Sync Color Changing for Bedroom Kitchen TV Party for iOS Android and 12V Power Supply
Smart WiFi LED Strip Lights Works with Alexa 32.8ft-10M Tape Light SMD5050 Music Sync Color Changing for Bedroom Kitchen TV Party for iOS Android and 12V Power Supply
$21.99
$59.89
WiFi&Music Control
20M (4x5M) App Intelligent Control Bluetooth Music Sync Flexible Led Strip Lights Waterproof 2835 RGB SMD 1080 LEDs IR 24 Key Bluetooth Controller with 12V Adapter Kit
Quick Look
20M (4x5M) App Intelligent Control Bluetooth Music Sync Flexible Led Strip Lights Waterproof 2835 RGB SMD 1080 LEDs IR 24 Key Bluetooth Controller with 12V Adapter Kit
$50.99
$147.37
WiFi&Music Control
LED Strip Light Set 32.8Ft Dimmable Warm Light White Light Ice Blue Yellow Light Red Light Super Bright LED Tape Light 120 LED/M SMD 2835 Suitable for Dressing Table Home Kitchen Cabinet Bedroom
Quick Look
LED Strip Light Set 32.8Ft Dimmable Warm Light White Light Ice Blue Yellow Light Red Light Super Bright LED Tape Light 120 LED/M SMD 2835 Suitable for Dressing Table Home Kitchen Cabinet Bedroom
$43.99
$77.74
Plug Strip Lights
COB LED Light Strip with RF11 Key Remote Control 16.4ft Adjustable Ultra Bright Warm White Natural Light White COB Light Strip DIY Self-adhesive Indoor Suitable for Living Rooms Shelves Cabinet
Quick Look
COB LED Light Strip with RF11 Key Remote Control 16.4ft Adjustable Ultra Bright Warm White Natural Light White COB Light Strip DIY Self-adhesive Indoor Suitable for Living Rooms Shelves Cabinet
$40.99
$72.88
COB Strip Lights
10ft/20ft Waterproof Neon Light Strip, Addressable RGB Rainbow Pixel Light with 2.4G APP Control Bar Synchronize Music Control to DIY LED Neon Sign Art Wall Decoration Lighting Including Power WS2811
10ft/20ft Waterproof Neon Light Strip, Addressable RGB Rainbow Pixel Light with 2.4G APP Control Bar Synchronize Music Control to DIY LED Neon Sign Art Wall Decoration Lighting Including Power WS2811
$37.99
$47.53
Neon LED Lights
15m 49ft Smart WiFi Led Strip Light Work with Alexa Google Music Sync TV Backlight 2835 RGB SMD IR 24 Key Controller with 12V 3A Adapter Kit
Quick Look
15m 49ft Smart WiFi Led Strip Light Work with Alexa Google Music Sync TV Backlight 2835 RGB SMD IR 24 Key Controller with 12V 3A Adapter Kit
$43.99
$90.70
5.0
WiFi&Music Control

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