Exquisite appearance, remarkable performance and easy installation. DC24V motor, the affordable solution for sectional garage door. Built in LED courtesy light Setting buttons on the opener cover, convenient for programming. C model rail (optional for metal or aluminum) length 3300mm for openingheight up to 2400 mm, include installation chain accessories and guide systems. Available for pre-assembled tracks, 0.75m/pc, 1.1m/pc, total length 3 m or 3.3 m. Soft start and slow stop function.