Specification： (1) 12 numbers touch screen (2) 0.96’’OLED Screen (3) Voice guide system (4) With clock function, open record can be checked (5) Finger capacity: 200pcs. No.1-10 is Management fingerprint, No.11-50 are Master fingerprint, No.151-200 are Guest fingerprint. (6) Password capacity: 50 sets. No. 1 is Management code, No.2-10 are Master codes, No.11-20 are Guest codes. (7) Password in 6 digits, with anti-spy function (input any numbers make sure the correct password is included, max support 30 digits) (8) Finger print with direct usage function (only for Optical fingerprint not for Semi-conductor one) (9) High Security Mode: 3 open combination can be selected: Finger or Password, Finger+Password, Finger+Finger. (10) Anti-theft Function (11) Power Supply: 4 AA Batteries or use emergency 9V power supply (12) Intelligent upgrade function for fingers (13) One finger can only be record by 1 time. (14) Latest 100 open record can be checked (15) System volume, time, Alarm settings can be adjusted (16) With inside Initial function button and Setting button. (17) Lower voltage alarm function. (18) Remote control function and APP function is optional.