Uses UHF frequency 400mhz. The operation can be divided into 3 modes: * push-switch * push-ON push-OFF switch * Flip Flop

Transmitter runs on 9 volts DC, and the receiver runs on 12 volts DC. There are two relay outputs on the receiver, and two buttons on the transmitter. You can also add additional jumpers to create a pass code, if you wish to "lock out" other uhf module users from activating your relays. * PCB dimensions: Transmiiter:1.79" x 1.56" Receiver: 3.41" x 3.51" * LED ON/OFF indicator for each channel * 243 codes