1. Structure: frame construction/ stainless steel case ( thickness: 1.5mm) 2. Production technology: computer digital controlled laser cutting 3. Dimension: 1200* 1000* 300mm 4. Weight: 90kg 5. Opening time: 0.2 seconds 6. Passage speed: 30 person/ minute 7. Communication: RS485 ( distance 100ms; drive current > 10 mA 16. Working environment: indoor or out door ( under overcast shelf) 17. Working temperature: -10--+ 50 degree, Relative humidity: