1/2-horsepower garage door opener; 200-watt security light; two light sockets. Anti-vibration system and belt drive ensure quiet operation; 3-piece rail for quick installation. Rugged steel construction. Includes opener, 2 3-button remotes, keyless entry pad. 39 pounds; lifetime warranty on motor and belt. Chamberlain, 1/2 HP Premium Belt Drive Garage Door Opener With Rolling Code Technology, Belt Drive Allows For A Quieter Motor With Exceptional Power, Multi Function Protector System, Electric Eye Safety Device, Includes Two 3Button Transmitters, Keyless Entry System Keypad, Multi Function Wall Control Panel, Lifetime Motor & Belt Warranty, Features New Structural Steel Rail. As far as security, this model's ahead of the game with high-tech anti-burglary coding and a keyless entry pad as well as two remotes with three programmable buttons on each one, letting you control a separate door, gate or light. The unit itself weighs 39 pounds, so installation isn't a terrible ordeal, though you'll want to inventory all the hardware you'll need for the job, since it might not be included.

3 channel mini key-chain transmitter, operates up to three devices
390 Mhz frequency, 100 Billion codes with code rotating technology
Slim line, perfect for pocket, purse or motorcycles - 2.5" by 1"
Compatible with ALL Security+ systems, including Chamberlain, Sears, Craftsman and Raynor code rolling residential openers (Safety Signal), compatible with models manufactured from 1997-present3 button mini remote. 3 channel mini key-chain transmitter, operates up to three devices. 390 Mhz frequency, 100 Billion codes with code rotating technology, Lithium battery (5 years life w/normal use) included and key ring included. LiftMaster Lift-Master "Wired" Keyless Entry System (see model 66LM for wireless option). Compatible with ALL billion code systems with the red or green LED light, including Chamberlain (same as model 40CB), Sears, Craftsman, Master-Mechanic, Wayne Dalton and Tru Value (not compatible with Security+ code rotating see model 976LM for Security+ systems). Compatible with Chamberlain remotes
Lets you open your garage door without remote control or keys. Over 10,000 codes for maximum security