Leaving lights on in empty rooms can be a real waste of energy, but with the LightwaveRF White Passive Infra-Red (PIR) Sensor, you can lower your bills by ensuring that lights, heating, and power sockets only come on when movement is detected. This wireless PIR sensor can also improve your home security by illuminating unexpected visitors. Finish: White 3V (2x AAA) Radio frequency: 433.9 Mhz TX (transmitter) Maximum controllers: 1 Dimensions: 88mm x 88mm x 10mm Weight: 84g
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