Chamberlain C-450 1/2 HP Chain Drive Garage Door Opener Your garage is an active hub of home and life, and the C-450 model garage door opener from Chamberlain lets you control access to your home from the palm of your hand. Built-in Wi-Fi allows you to open, close, and know the status of your garage door from anywhere. Powered by Chamberlains MED Lift Power System, the C450 delivers lifting force equivalent to 1/2 HP, the highest lifting capacity compared to the 1/2 power class for effortless lifting and reliable performance you can count on. Includes 2 3-button remote controls frequency remotes that let you control a combination of up to 3 openers or Chamberlain interior light modules (sold separately). Exclusive Triband technology boosts remote range up to 1,500 feet for a quicker entrance and exit. Unmatched Security +2.0 - 100 Billion code encryption protects against hacking, and Posilock anti-theft protection assures that once the door closes, it stays locked. Our online installation videos, pre-programmed remotes, snap lock rail system and tech support ensure installation goes smoothly. Designed specifically for 7 ft. garage doors - extension kits required for 8 ft. (7708CB-P, SKU 112992) and 10 ft. (7710CB-P, SKU 113069) doors. Two 100-watt standard or CFL bulbs (not included) provide ample light for confident and safe movement around the garage. And the Dual-Function Wall Control allows you to control the door and activate lights, too. HomeLink Compatible. Control gates, openers, lights, lighting and more from the drivers seat. (Compatibility Bridge (not included) may be necessary for certain vehicles.). Available Add Ons: Come home to a safe, secure, and well-lit home. With the Chamberlain Smart Light Switch (WSLCEV-P1) and Lamp Control (PILCEV-P1), you can turn any lights on or off with the MyQ App.