Quantity delivered: Pack of 4 Product color: black 1. Features: 1. Mainly used in: remote control of electric doors, windows, switches, security and other industrial or lighting remote control fields. 2. Four passive outputs. 3. The working mode can be changed by the jumper cap. Non-latching, latching and latching outputs are available. 4. The receiving sensitivity is high, and the remote control distance can reach more than 50 meters to 100 meters. 6. Using large-capacity relays, it can control kilowatt electrical appliances and equipment. 7. Using wireless coding technology, no directionality, the switches do not interfere with each other. Second, the main technical indicators: Working voltage DC12V (other voltages can be customized) Receiving frequency 315MHZ (other frequencies can be customized) Receive sensitivity -105db Working mode jogging, interlocking, self-locking Maximum load 20A Learning type of coding type; spoofing conversion method 3. Remote control pairing method: 1) Learning pairing: press the learning button, the learning indicator goes out, release the learning button, press any button of the remote control to be learned, the learning indicator will flash three times, indicating that the learning is successful. Up to 16 remote controls with different codes can be learned. 2) Clear the learning code: After pressing the learning button for 6 seconds, the learning indicator goes off and on, indicating that the reset is successful. After resetting, the previously paired remote control will no longer work. Note: The remote control equipped with this product can only be a remote control with a fixed code and a learning code in four keys, and each channel has a specified key code, so different key positions or combination keys can be issued! Fourth, the choice of working methods: 1. Self-locking: JP2 does not insert the jumper cap, the working mode is jogging 2. Interlocking: 1 and 2 of JP2 are inserted into jumper caps, they are interlocked 3. Jog: 3 and 4 of JP2 are inserted into jumper caps, which are self-lockingGood quality product