(Compatible with AD10B and AD10GSM panel) This window/door sensor is specially designed to work with the "Ready to Arm" feature with 2-way signals("open" signal and "close" signal).
These are magnetic switch and emitter units which send alarm signals to the Main Digital Keypad/Auto-Dialer unit when the doors and/or windows are opened and closed.

Panic button and anti-tamper switch are built in.

Range: 240 Feet Restricted - 450 Feet Unrestricted.