Revolutionary garage door opener. The Direct Drive is the only one of its kind which offers Europe's leading innovative technology. Unlike conventional garage door opener that use a noisy chain, belt or screw the Direct Drive has only one moving part with no moving chain or belt. The motor glides silently along the stationary chain that is embedded in a sturdy steel rail, creating the quietest garage door opener available. The spring-loaded chain will never sag down. The sensitive internal obstacle detection and the safety sensors constantly monitor every door movement and ensure the highest level of safety. The Direct Drive 3/4 HPS motor provides maximum lifting force. Direct Drive technology requires no maintenance and makes this garage door opener extremely durable and long lasting.