Radio Controlled Remote Switch Teleswitch | Ritron Wireless Solutions
Mini Relay Wireless Switch 12V 433Mhz Remote Control Relay Switch, Secure 1-Channel Micro Receiver with Transmitter System in Latched Mode DC 3.7V 5V 6V 7V 9V 12V - - Amazon.com
Remote Controlled Relay Boards for Point to Point Wireless Applications