Wireless Controller No Battery Need And Relay Receiver For Light/home Appliance

Wireless Controller No Battery Need And Relay Receiver For Light/home Appliance Wireless Controller No Battery Need and Relay Receiver for Light/home Appliance Product Description Using unique energy harvesting technology. When you press a button, the energy conversion module inside converts energy into electrical energy. The wireless button module then sends a signal to the receiver. The receiver receives the signal and turns on/off the light. To bind additional keys, press and hold the button on the relay (3-5 seconds), then press the desired key to bind. Products include 1x control unit 1x buttons

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Material: 100% Plastic