GAMA Electronics 4-Channel RF Remote Control Transmitter and Receiver Kit - Wireless Switch for Home Automation, Garage Door, LED Lights & DIY Projects

Frequency: 340 MHz. Input voltage: 12VDC with reverse polarity protection. The output relays are rated at 10A @125VAC & 12VDC. Operating temperature range: 0o F to 160o F. Receiver dimensions are approximately 5" L x 5" W x 1" H. Transmit range is greater than 100 feet under normal operating conditions. Up to 4 keyfob transmitters can be used with each receiver.