❖ Suit for different locker materials: wooden, metal, and plastic.
❖ Various working modes (public mode, private mode, etc), suit different applications.
❖ Manager code, and OTP.
❖ Privacy protection: Add random numbers before and after the correct password.
❖ 4- 8 digits password unlocking.
❖ Unlock way: Password, Cards, wristbands, tag fobs, etc.
❖ Micro USB connector/3.5mm socket for emergency power supply.