GE102 Cover Type Digital Rim Lock
① 3 level volume control<br>② Imaginary number function<br>③ Security system<br>④ Intruder detection and damage warning<br>⑤ Electric shock disabling security system<br>⑥ High temperature sensor (e.g. against fire) and automatic open system<br>⑦ Automatic / Manual setting<br>⑧ Batter replacement notification<br>⑨ Double-lock function<br>⑩ Emergency power supply in case of battery discharge