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.

* horsepower strength with same lifting force specifications as 3/4 HP Chamberlain garage door openers

• 3/4 HPS®* DC belt drive system for the ultimate in quiet performance
• Belt is built like a steel-belted tire, reinforced with flexible steel cords
• Auto force-sensing technology constantly monitors garage door opener system and adjusts forces to temperature fluctuations, floor height, and door track movement
• 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

• 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
• 1-year warranty on EverCharge® Standby Power System