ITEM NAME:433Mhz Wireless RF Switch 1000 Meters Long Range DC 12V Single Channel Wireless img *{margin:0;padding:0;.The wireless RF signal can pass through walls, floors, doors and windows. Modulation: ASK. 1 Piece Wireless Receiver. Power on, the red indicator light is on, press the learning button, the learning indicator light is on, press any key of the remote.
