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Liftmaster 835LM Perimeter Alert Passive Infra-Red (PIR) Motion Sensor

Part Number LM-835LM
Liftmaster 835LM Perimeter Alert Passive Infra-Red (PIR) Motion Sensor
Liftmaster 835LM Perimeter Alert Passive Infra-Red (PIR) Motion Sensor
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Description
Liftmaster 835LM Perimeter Alert Passive Infra-Red (PIR) Motion Sensor

Alerts you with light and sound when people or vehicles approach your home and property. Box contains 1 base station, 1 motion sensor, 1 AC adapter, mounting hardware, and non-slip feet.

Detects motion up to 30 feet away with wide 120 degree coverage.
Transmits signal to base up to 1/2 mile away.
Motion Sensor features adjustable sensitivity control to prevent false alerts from small animals.
Detection indicators with light and sound.
Receiver features adjustable volume controls.
Connect 1 base station with up to 4 motion sensors.
Portable and lightweight for use inside or out.
Durable, weatherproof design.
Easy to install and use.
Receiver requires one 9-volt battery.
Sensor requires four AA batteries.
1-year warranty.
Manufacture Part number CWA2000 Chamberlain.