Buy on Amazon : br br 6 Channels RF Wireless Remote Control Relay Module --arduino compatible br br Wireless control easy to install br You can turn onoff the receiver with transmitter remote control from any place within a reliable distance the wireless RF signal can pass through walls floors and doors br With characteristics of reverse power protection and over current protection br This switch can learn different coding remote controlssuch as 22621527 ectand working with indicator br Reliable control The transmitter Encoding and the receiver Decoding use an 8-bit code Oneseveral transmitters can control oneseveral receivers simultaneously If you use two or more receivers in the same place you can set them with different codes