Features 1.Oil immmerged gear reducer. 2.Powerful torsion spring. 3.Manual release handle in case of Power failure. 4.Wiring terminal for remote control, button switch, alarm lamp, infrared photocell and loop detector. 5.Available to connecting with parking system. 6.Auto-stop in the eventing of obstruction. 7.Open (up) priority. 8.Emote distance up to 30 meters. Technical Specification Model: DC535 Power supply: AC220V+/-10% Motor: Single phase Revolution: 1400rpm Thermal protection: 120ºC Torque: 120N*m Weight: 70kg Max.Continuous operation: 20ºC260cycles Opening time: 0sec-7sec Straight arm length: 3-5m Output voltage for ext. Device: 12VDC, 24VAC