Features: Extremely easy to set up and use. Small size, stable and reliable performance, high reception sensitivity, remote control distance up to 50-100 meters. Use wireless coding technology, non-directional switch, non-interference with each other. These remote controllers are designed to control various electronic devices through wireless signals. Use the sliding cover on the remote control to protect the buttons and avoid unexpected unplanned operation. It covers application ranging from simple domestic remote control to autonomous control, like auto door, window, lifting equipment, entrance access, up and down controller, alarm system industrial control and security etc. How to Program: Link the remote control: Press the Learning key until the light off. Press a transmitter button, the light will flash 3 times, at this time, remote control is matched successfully. Reset: Press the learn button and hold, indicator light, 6 seconds off, the cleared successful. Remove all previously paired remote control. Specifications: Operating Frequency: 433MHZ Operating Voltage: DC 12V Max Current Rating: 20A Receiving Sensitivity: -105 dB Working Mode: Jog mode, inter-locked mode, self-locking mode Package Weight: 184g/6.5oz Package List: 1 * Learning Code Receiver 1 * Remote Control Transmitter . Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.