Features: * Strong and reliable chain drive * 1/2 HP motor * 5-piece rail system provides faster easier installation * Security plus anti-burglary coding is set to a matching code one of over 100 billion every time remote is used * One light lenses * Light remains on for 4-1/2 minutes after opener operation * Includes single-button remote control What"s In The Box: * Chamberlain CG40D Garage Door Opener