FB100 GARAGE DOOR OPERATORS Features Power supply: AC220V +/- 10%, 50Hz/60Hz Lift capacity: 20Kg (9 teeth), 15Kg (12 teeth) Motor: DC24V Working time: 20s Chain Drive Two remote transmitters Length of Travel: 3m rail Travel Rate: 5.77m/min (9 teeth), 7.7m/min (12 teeth) Bulb: AC240V 40W, on when door starts, off 3 minutes after stop. Door Linkage: Adjustable door am. Pull cord trolley release. Safety: Push button and automatic reversal in down direction. Push button and automatic stop in up direction. Electrical: Low voltage push button wiring. Limit Adjustment: Electronic Start Circuit: Low voltage push button circuit. Length (Overall): 3.26m(with standard rail)