This is a fixed frequency remote cloner (433.92MHz) for copying most common fixed and learning code remote controls. Applicable to automobiles, garage doors, doors, skylights, car/motorcycle alarms, home safety products, short-distance wireless remote control products, electrical appliances, home automation lamps, industrial control products, and more. Easy to use, 4-channel remote control system with anti-theft and one-click anti-theft functions to help control your devices, cars, homes, and garages. Clone up to 4 remote signals from 4 different remotes. Simple pairing with the remote. Operating Frequency: 433MHz Remote Control Range: Up to 50 meters Due to different batches, there may be differences in product printed text, which will not affect use. Color: Black Material: Plastic Package Contents: 10 x Remote Control Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual item. Measurement allowed error is +/- 1-3cm.