Voice Recorder Accessories - Brand Generic - 1 Way Home Wall Wireless Switch Highlights Brand Generic 1 Way Home Wall Wireless Switch Description: The remote control adopts the EV1527 learning method, and each remote control has an independent address code in order to prevent serial codes and interfere with each other. Made of high quality glass, safer and more elegant. No wiring is required, you can place any position in the room and stick a strong sticker on the wall. The remote control uses a 433MHz wireless RF chip that can pass through the wall, and the signal can be recognized by the receiver through the wall. specification: Transmission format: 1527 coding format Frequency: 433MHz Diameter: 50mm/1.97inch Thickness: 12mm/0.47inch Package includes: 1 piece switch Note: This product is a transmitter and cannot be used separately. It must be equipped with a reception controller.