Compatible: This product is designed for C@me 433.92MHz NA, EE, EV. It is not compatible with other garage door brands. Please check your model number before purchasing. This is not a universal remote control. The universal garage door remote control automatically recognizes ASK signals (315M/433M) and opens the garage door from a distance, without having to get out of the car. Compact and portable: This transmitter significantly improves user comfort and safety by enabling remote access management with a reliable and easy-to-use device. The practical key ring easily attaches to the car key. It fits perfectly and can be used directly to replace old or damaged original parts. Long range. The remote control's transmission current (8-10mA) allows for a normal range of 50-100 meters and a maximum range of 100-150 meters in open spaces. It has a wide range of applications. The garage door remote control can be widely used for all types of doors, such as garage doors, roller doors, retractable doors, gates, glass doors, sliding doors and so on. Two buttons can control two gates; one button controls both opening and closing of the door.