Meters -4x DC12V 4CH Wireless Remote Control Switches Relay RF Transmitter Receivers Highlights Generic Brand 4x DC12V 4CH Wireless Remote Control Switches Relay RF Transmitter Receivers 4 channel DC 12V with 4 button remotes. 3 Self-Latching, Non-Latching and Latching Output Modes Each of the 4-channel relays provides a pair of independent normally open and normally closed contacts. This controller is compatible with multiple wireless remote controls with different codes of different chips, such as 2262/2260/1527/2240, and can learn up to 12 wireless remote controls with different address codes of 433M working frequencies. Mainly used in lamps, barrier, garage door, electric door, electric windows, industrial control and security industries. Specification: Working voltage: DC12V Quiescent current: 10mA Remote control distance: 20-200 meters or more (with different remote control distance) Receiving frequency: 433MHz Receiving sensitivity: -105dB Contact type: normally open relay passive normally closed contact Contact capacity: 3A Receiver size: approx. 75 x 52 x 27mm Remote Controls Size: Approx. 62 x 28 x 10mm Output mode (special reminder: you must disconnect the power supply before switching working modes) A. Self-locking - connect the JP1 position with a short circuit (connect the middle of the plug and the inside of the board) B, non-locking - short circuit, vacant, not connected C. - connect the JP2 position with a short circuit (plug the middle of the plug and the outside of the board) Learning method: Press on the learning button, the light is off, release it, press any button on the remote control to wait for the light to flash five times, then turn on to indicate that the learning is successful. If the learned remote control is lost during use, you need to erase the old information and then relearn the remote control of the same type. This will cancel the control of the old remote and get the current usage rights. The receiver card can store up to 12 different coded remote controls. Internal code release method: Press and hold the code key not to release for more than 8 seconds; the light is off, indicating that all stored information has been successfully erased. Package Include: 4 Pcs Receiver Module with 4 Pcs Transmitter Case