This RF transmitter with 4 switches and RF receiver contains connector to connect any of the devices which can be controlled wirelessly.Features Transmitter operating range up to 50 meters with LED indicationOn Board 5V Operated TransmitterReceiver Indicates output status by LEDReceiver operates from 12V AC or DC power supply TransmitterThis is RF transmitter operating at 433 MHz frequency. It contains four switches. When a switch is pressed, it transmits encoded signal to remote control receiver which decodes the signal and controls any device.Features 433 MHz operation FrequencyOnboard AntennaActive Data Transmission Indication LEDRange 100 Meters