Modern Design: This garage door remote opener, which requires no key, no wiring for entry, it has an advanced design and heavy duty construction to enhance the security of your home. Security Guarantee: The dual channel transmitter activates only when a compatible code is received, and advanced rolling code technology ensures that the transmitted code changes each time you use our keypads, and to ensure excellent security. Thoughtful Detail: The obvious and large button design can avoid finger damage. The snap on the back of the remote control can be moved or fixed, which is convenient and practical. Strong Signal: This remote opener has a transmission range of 656 feet in open spaces and 115 feet indoors, and the powerful signal ensures it can be quickly connected to any 433MHz door opener. Premium Material: This remote control is made of Abs and Pvc material, which is sturdy, waterproof, and has high strength, high sensitivity, stable and durable performance.