Garage Door Openers : Liftmaster Residential Openers : Lift Master Model 3500

Model:

Description:

Now when the power goes out, your garage still goes up. The EverCharge battery backup system operates the Model
3500 and all of its safety features when you need it most. Always charged and ready, it provides the highest level of safety and convenience. Plus, the DC- powered garage door opener is possibly the quietest system ever created, Perfect for homes with a room above the garage, it features a quiet belt drive system along with smooth start and smooth stop to reduce garage door noise