we are manufacturer for swing gate opener,swing door opener,rolling shutter motor, remote, and control gate motor and so on MD-SeriesElectric Driver Pusher Voltage12V DC/24V DC Duty Cycle10%1 ON 9 OFF Gear Ratio51/101/201/301/401 Appendix CodeABCDE Gear Ratio5:110:120:130:140:1 MAX LoadPush/Pull300N600N900N1350N1800N MAX SpeedLoad40mm/sec21mm/sec13mm/sec8.5mm/sec6.5mm/sec window opener,