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Chamberlain is a motion - sensitive silent security system.
When a vehicle or person is detected, you'll hear a beep! Range from Sensor to Receiver inside is up to 900'. Measures 3 3 / 8 x 2 5 / 8 x 2 3 / 4 " h. Receiver can register signals from up to 4 Sensors.
AC plug-in. Measures 5 1 / 4 x 3 3 / 4 x 1 3 / 16 " h. Sensor is waterproof. 4 AA batteries (not included). Monitors 30 x 30' area (range adjustable).
Order ONLINE now for peace of mind!
Chamberlain Wireless Perimeter Alarm
(includes Receiver and Sensor)