Quantum® is a traditional ceiling mount chain drive opener that's loaded with extra features. The system self-monitors its electronics every time you operate the door to detect and correct problems before they happen. It even reconnects automatically after you've used the emergency release.

• Up to full 1/2 hp available
• Durable all-steel track
• Reliable wireless infrared safety sensors
• Optional wireless wall station
• Security light with 4-minute delay
• Wall unit and safety sensors available in traditional wired versions
• Available from some retailers as Classicdrive™ brand