... turn on and off, accurate location.D. Control system adopts hi-tech digital chip technology.E. The anti-collision function, ... protecting the passengerF. The inductive function ,with the digital vehicle detectorG. Three open speed, 1.5s, 2-4s ... barrier is provided with remote controllor, manual button, and digital vehicle detector Parameter Voltage 220V(110V)FrequencyAC 50/60HZPower80WLength≤ ...