Strong and reliable screw drive provides smooth and durable operation. Multifunction control panel controls garage door and opener lights from inside the garage; light/lock switch blocks remote control signals while you're on vacation. 2 single-button remote controls. Security+ anti-burglary technology for added peace-of-mind. The Protector System safety beam prevents door from closing when anything enters its path. Opener lights also turn on when beam is broken. 6 year motor warranty.