Whisper Drive® 1/2 HP Belt Drive Garage Access System – WD822KD
The Chamberlain® Whisper Drive® 1/2 HP Belt Drive garage door opener is the ultimate in quiet performance. It features our exclusive Motor Vibration Isolation System (MVIS®) – which eliminates powerhead vibration for reduced noise – making it the ideal choice if you have rooms positioned above the garage. And the 1/2 HP heavy-duty motor offers steady performance and lifting power year after year.
- 1/2 HP belt drive system for the ultimate in quiet performance
- Ultra-quiet operation featuring our exclusive Motor Vibration Isolation System (MVIS®)
- Enclosed gear case provides continuous lubrication and protection for longer life and smoother operation
- Quick-install rail system provides faster and easier installation – assembles in 60 seconds
- Delivers 200 watts of light with adjustable light time delay
- HomeLink® compatible – the in-vehicle remote control system
- Includes two 3-button remote controls
SAFETY & SECURITY FEATURES
- The Protector System® safety sensors with Rapid-Snap® brackets project an invisible light beam across the garage door opening and automatically reverse the door if anything interrupts the beam while the door is going down
- Sensing technology will stop the door from closing if contact is made with a person or object
- Opener lights turn on automatically when The Protector System’s infrared beam is broken
- Security+® anti-burglary technology assures a new code is sent every time the remote control is used
- PosiLock® theft protection assures that once the door is closed, it stays locked
- Manual release handle in case of power failure
WARRANTY
- Lifetime motor warranty
- 10-year belt warranty

Now when the power goes out, your garage door opener will still work. The Chamberlain® Premium Whisper Drive® Plus with EverCharge® Standby Power System will operate the garage door opener for 20 cycles within a 24-hour period, and recharges automatically when the power comes back on. The safety and security features will continue to operate as well, ensuring your family is protected in a power failure. The opener also features smooth start and smooth stop to reduce the noise of the garage door as it opens and closes – perfect for homes with a room above the garage.

