Knightsbridge Wireless Plug-In Motion Activated Chime System

58 ringtones
Volume control up to 110dB
Eye catching visual alert when doorbell can't be heard
Hassle free installation, no running any wires
Learning code prevents interference from other wireless transmitters
Additional plug-in receivers or bell pushes can be added if desired
Working Frequency: 433MHz
Working Temperature: -20 - 50° C

Motion Sensor
IP20 rated
110° detection angle
5m detection range
Requires 2 x AA batteries (not included)
Range of approx. 75-150m*

Receiver
Indoor use only
Power consumption less than 10mW
Mains powered
Range of approx. 75-150m*
*Dependent on environment

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Specifications