Receives signals from the sensors (Door Contact Switch, Smoke Alarm and Contact Mat) and alerts using a range of sound and light signals for the different alarms. Adjustable sound level and wireless operating range of 25m indoors or 100m in open space (between the receiver and sensors). Power supply: 4 x 1.5v alkaline batteries (included)(LR14 type). Battery life is 2-3 years.
Dimensions 130 x 165 x 36mm (5 x 6¼ x 1½"), Weight 570g.
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