Feature: 1. Widely used in remote control switches, remote control water pump opening and closing, remote control machine opening and closing, etc. 2. Wireless signals can pass through walls, floors and doors, easy to install and simple to operate 3. The output mode/working mode can be changed at will, it is easy to match the transmitter 4. Installation is quick and convenient, not blocked by walls, can be connected to any load, convenient and flexible 5. Using high‑quality ABS material, it is not easy to be damaged, and it can be used for a long time Specification: Item Type: Remote Control Switch Material: ABS Working Frequency: 315MHZ/433MHZ (Default 315MHZ) Working Mode: Jog M4Self-Locking T4/Lock Code Matching Method Intelligent Learning Type Working Environment: -40~+80 Degrees Receiving Sensitivity: 2-105dBm Output Current: Inductive 3.5A Resistance: ≤6A. Package List: 1 x Remote Control Switch Note: 1. Do not use over voltage2. Do not use over frequency3. Read the setup introduction carefully before setting upThe receiver has the following 3 working modes can be set, two‑way jog, two‑way self‑locking, and two‑way interlocking. <You can change the working mode according to your needs, but remember that you must turn off the power when changing the working mode. Under the circumstances! 1. Jogging: insert the black jumper on the receiver on the 2+3 pins to jog. There is a mark M< on the board. Literal translation: press and hold the button on the remote control to work, and release it to stop. !> 2. Self‑locking: insert the black jumper on the receiver into the two pins 1+2 to be self‑locking. There is a mark T< on the board. Literal translation: the receiver is turned on and off on the remote control. Finish on the same button, press the remote control buttons in turn, the first button is on, the second button is off, the third button is on, the fourth button is off, and so on!> 3. Interlocking: Leave the black jumper caps 1, 2, and 3 on the receiver as interlocking. There is a mark OPEN=L< on the board. Literal translation: Press the A button on the remote control to turn on and B to turn off. Or the A key is off and the B key is on. If the remote control has multiple buttons, it will learn which button is on, and all other buttons are off!>