[Fixed Frequency Remote Cloning]: This is a fixed frequency remote cloner (433.92mhz) for copying 99.99% common fixed and learning code remote controls. [Safe and Easy to Use]: Easy to use, 4-channel remote control system with anti-theft/one-click anti-theft helps you control your gadgets, cars, homes and garages; The remote control range is 50-100m (in an open environment), which can meet your needs well [Wide Application]: Remote Control Key Fob is applicable to automobiles, garage doors, doors, skylights, car/motorcycle alarms, home , short-distance wireless remote control products, electrical appliances/home automation , industrial control products, etc. Clearing : Press and hold the "A" key and "B" key at the same time, the LED indicator flashes three times, release the pressed "B" key, the "A" key is not released, click the released "B" key three times, the LED indicator The light enters the state of fast flashing, at this time all the data in the memory is cleared, and the remote control after clearing the data, no matter which button is pressed, the LED indicator light will not . Copy : Hold the remote control in your hand, and hold the copy remote control in the other hand. The two remote controls should be as close as possible. The LED indicator flashes three times quickly and then flashes quickly, the copying is successful, and the operation of other buttons is the same. Some remote controllers have low transmission power, and the remote controller and the copy remote control should be operated back to back to make a copy. If there is interference in some operating environments, you should avoid the interference operation. If the copying is not easy to use, try copying again after clearing the code. Colour:black Material:ABS+metal Package Contents: 5x Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.