SOMMER 0.75-HP Direct Drive Garage Door Opener OVERVIEW The Direct Drive garage door opener is made in Germany and is the only opener of its kind offering Europe's leading innovative technology. Unlike other garage door openers that use a noisy chain, belt or screw the Direct Drive has only one moving part. The motor sprocket glides silently along a fixed chain, embedded in a sturdy steel rail, making it the quietest garage door opener available. The spring-loaded chain will never sag down and the advanced internal obstacle detection system and the safety beam sensors constantly monitor every door movement ensuring the highest level of safety. The Direct Drive 3/4 HP motor provides maximum lifting force while requiring no maintenance, making the Direct Drive extremely powerful, reliable and long lasting. Direct Drive garage door opener including full installation kit, rail system, safety beam kit, wall station and remote control Europe's leading innovative garage door opener technology, made in Germany and backed by a lifetime warranty on the entire opener and a two year warranty on accessories Rail length for up to 8-ft tall garage doors with standard radius, no additional extension kit required Ideal for garages with adjacent living spaces, it is considered the quietest opener on the market The motor glides silently along a stationary chain embedded in a sturdy steel rail - no maintenance or lubrication required Powerful 550 Newton motor provides maximum lifting force Safety sensors and sensitive obstacle detection ensure the highest level of safety Easy assembly and installation, quick rail assembly kit Equipped with rolling code technology and is HomeLink compatible with most vehicles 2003 model year and newer