English _ 7PRODUCT INTRODUCTIONAT A GLANCEFront/Rear1 LED Displays the status of the system operation.2 Keypad Used to enter the ID/password.3 Tamper Switch A tamper switch to detect falling from the wall.4 Connection Cable Used to connect to the power source or I/O cable.5 Buzzer Piezo buzzer.6 Fixing Hole Fixing hole for wall-mounting.SSA-R2000V3456