Chamberlain Keychain Garage Door Remote Control the highest level of encryption to prevent hacking, giving you peace of mind while controlling your garage doors or gates. This compact, two-button remote is easy to program and can operate up to two garage doors or gates, making it an i choice for runners, cyclists, or anyone who needs quick and convenient access on the go. With a range of up to 1,300 feet (conditions permitting), your garage door opens seamlessly without any waiting. The remote is designed for easy installation and comes complete with a key-ring, a 3V CR2032 battery, and an instruction manual for your convenience. Model Number: CH382