The item has of output, the Output can be independent. Learning type can be paired with more than . Mainly applied for of the on and off of pump, machine- , socket, LED lights, doors, alarm system, , MP3 and other civil and Industrial supporting remote areas. Receiver - Input Voltage: DC 12V - Operating : - Coding Way: Intelligent Learning - Output Type: Active output - : 10A - Ambient TEMP: -30 degree centigrade-70 degree centigrade, Humidity<95% - Factory Default: Self-locking - Board Dim: 45x30.5x17mm - Case Dim: 60x38x13mm Transmitter - Operating Voltage: 12V - Operating : - Vibration Resistance: 126 - Chip Type: 2260/1527 - Modulation: ASK (Stable, less ) - Encode Type: Bonding pad welding code/group code - Battery Type: 12V (not included) - Remote Distance: 20m (Theoretical value) - Ambient TEMP: -30 degree centigrade-70 degree centigrade, Humidity<95% - Product DIM: 54x30x13mm Three modes - : 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. 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 - : 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. Package list: 1 * Transmitter (Battery not included) 4 * Receivers