This AC motor remote controller (model of S1FC-AC220 & CV-4) features forward-stop-reverse capability. It can rotate the motor in positive or reversal direction from any place within a reliable distance, wireless signal pass through walls, floors and doors. It is suitable for the motors of rolling blinds doors, projection screens, awnings, pumps, winches, conveyors or other appliances and small industrial equipments. Transmitting distance is up to 500 meters (about 1500 feet). Woring modes include Momentary and Lacthing.