Chamberlain WD962KD Premium Whisper Drive 3/4-Horsepower Garage Door Opener with Standby Power 3/4 HP DC belt drive system for the ultimate in quiet performance Belt is built like a steel-belted tire, reinforced with flexible steel cords EveryCharge Standby Power System ensures operation even when your power fails Includes quick install rail This item is not for sale in Catalina Island