Min. Order Reference FOB Price
10 Pieces US$6.00-8.00 / Piece
Product Description
The sensor is an active motion detector, it emits high-frequency electro-magnetic wave(5.8GHZ)and receives their echo. The sensor detects the change in echo from even the slightest moverment in the light's detection zone. A microprocessor then triggers the "switch light on"command. Detection is ...