The Pulse 500 Direct Drive DC Door Operator from iControls is available in 1/2, 3/4 and 1HP. Available gearboxes in Size 50, 63 (for 1″ shaft) and 75 (for 1.25″ shaft) with ratios of 15, 20 and 30:1. Features programmable speeds, soft start/stop, programmable closing timer, dual opening heights, integrated encoder, large LCD screen, etc.