Demension: 38*84 (L * W * H, mm) Materials: Plastic Main functions: Remote ... use)2. Set password: press [Password] key, then enter a 4-digit password, and repeat it, such as [password] [1234 ... the bottom security contracts, and then press button [on]4. Disarm the alarm: when the device alarm, press ... released2. When lost the remote control, please use a new one as soon as possible, enter the original ...