★ Use touch-screen as password keyboard , 11digit LCD Liquid-crystal show , EL blue back-light ★ Timer function,show date and time ★ Two password set and Emergency mechanical key ★ inquiry 368 records open and closed ★ Set 1? digit electronic password ★ it is three times that you continuously input mistakes The system will be locked 5 minutes ★ New guest can input the new password instead of old password when door is open ★ Automatically opens the door by the micro-electron actuation ★ Size:H220譝420譊370(mm)