Chamberlain 1.25 HP myQ Smart Chain Drive Garage Door Opener with MyQ and Wi Fi Compatibility and Battery Back Up Vinyl Treads risers Built in router lift and winder Built in router lift and winder handle provides quick depth adjustment when mounted in a table recommend using only fresh gas with a minimum Octane rating of 89 or higher (mid grade to premium) at all times the highest lifting capacity in the category for superior performance in extreme conditions Durable chain drive rugged steel and precision fabrication for durable operation Superior range includes two 3 button remote controls that let you control a combination of up to three openers or Chamberlain interior light modules (sold separately) Trusted safety and security unmatched security+2 pets or other objects