Universal 12V 4CH Wireless Relay Remote Module Switch RF 433Mhz with Smart Remote Control Key 4 transmitters 2 receivers Used for DIY Modification of Garage Doors Electric Doors etc_

Receiver Description? 1, the working voltage: DC12V 2, quiescent current: 8mA 3, operating frequency: 433MHz , other frequencies can be customized 4, load power: Each channel 1000W 5, receiving sensitivity: -105dbm 6, frequency deviation: ± 0.2MHz 7, coding method: learning type 8, working mode: jog, self-locking, interlocking 9, modulation method: ASK 10, remote control distance: 50M (wild) 11, PCBA size: 48mm*68mm*18mm 12, shell size: 76mm*56mm*30mm Wiring instructions: 1, + : Connect to the positive 12V power supply; 2. - : Connect to the negative electrode of 12V power supply; 3, A: output; normally open end of the relay; 4, B: output; relay common; 5, C: output; normally closed relay; Function with jump cap: 1. Set to Jog /Momentary output: Remove the jumper cap on the board. 2. Set as Self-locking /Toggle output: short the “T” and the middle pin with the jumper on the board. 3, set to Interlock/ /Latched output: use the jumper cap on the board to short "L" and the middle pin.