... managing device; 2. integrates mechanism, 3. electron, microprocessor speed gate:Functions and Features:1.Zero position self-checking function, which ... ) isself-locked before receiving the signal of opening the gate;4Infrared and mechanical anti-nipping function: when the expansion ... wing barrier: 600mm; the length of a single bar ofswing gate barrier: 600-900mm9) Passing speed: 30 people/min ( always ...