The item has one channel of output, the output can be independent. Learning type can be paired with more than one control. Mainly applied for of the on and off of pump, machine-tool, socket, LED lights, doors, alarm system, motor bike, MP3 and other civil and industrial supporting remote areas. Receiver - Operating Voltage: DC 6V(5V will also work) - Operating Frequency: 433Mhz - Coding Way: Intelligent Learning - Output Type: Active output - Max load: 10A - Ambient TEMP: -30 -70, Humidity lt;95% - Factory Default: Self-locking - Board DIM: 45x30.5x17mm - Case DIM: 65x37x22mm Transmitter - Operating Voltage: 12V - Operating Frequency: 433Mhz - Vibration Resistance: 4.7M - Chip Type: 2264 - Modulation: ASK (Stable, less interference) - Encode Type: Bonding pad welding code - Battery Type: 12V 27A(not included) - Remote Distance: 30-50m (Theoretical value) - Ambient TEMP: -30 -70, Humidity lt;95% - Product DIM: 60x38x13mm Three modes - Inching: Press hold one button, the reply turns on, release the button, the reply turns off. - Self-lock: Press the one button, the reply turns on, press the button again, the reply turns off. - Interlock: Press the one button, the reply turns on, press the next button, the reply turns off. Clear Press hold the program button on the receiver, the red light will turn on and stay on for about 5 seconds. Choose the mode - inching: Release the button after the light flashes once. - Self-lock: Release the button after the light flashes twice. - Inter-lock: Release the button after the light flashes three times. Link the remote control Press the program button on the receiver until the red light turns on, and then release the program button, the red light will stay on. Press a transmitter button, and the red light will flash, at this time, it means finished linking.