Scimagic-RC Multi-frequency Garage Gate Remote Control Specifications: dwt: Scimagic-RC Product Model: SMG-239 Product material: ABS Size: 60*30*12mm Product weight: 40 g Number of channels: 4 Battery: 3V (CR2032 Include) Installation: wireless Code: rolling code and fixed code Corresponding frequency: 280-868MHz Frequency: 287MHz,433MHz, 433.42MHz, 434.42MHz, 433.92MHz, 868MHz, 868.3MHz, 310MHz, 315MHz, 330MHz, 390MHz, 410MHz, 287-868MHz etc. Radio transmission distance: 20-100m (Open area) 1 remote control can control up to 4 different brands of remote controls. Clone 4 identical frequencies at the same time. Clone 4 different frequencies at the same time. Clone 4 different brands at the same time. Clone 4 identical brands at the same time. Buy one get one free. You buy a remote control and give away a remote control clip. The remote control clip is worth 3USD. Easy to replace the battery. The remote control contains batteries. The battery is 1 piece CR2032. The battery is very easy to replace. Fashionable,Simple and elegant Include * Remote Control * Battery * Keychain * Clip * English Manual Easy to use This is a clone remote control, it needs to clone your original remote control face to face. If your remote control is a fixed code, after cloning, the new remote control will work. If your remote control is rolling code, after cloning, the new remote control needs to be programmed / activated on the receiver, the new remote control works. I will provide you with detailed instructions in the package. Universal remote control Uses: garage doors, Gate Doors, motorcycles, car alarm products, home security products, short-range wireless remote control products, industrial control products, Alarm Systems etc.