Power Performance: Germany SEW motor, power supply is 220V or 380V, 50Hz, 1500RPM, power is 0.75- 1.5KW. Control System: imported frequency conversion control system. Control Voltage: safe low-voltage 24V. Opening Speed: open 0.6-1.5m / s , off 0.6-1.2m / s (the speed is adjustable). Door Curtain: imported from France, high-density polyester fiber and the surface coating processing, thickness 0.7mm~1.5mm, it is waterproof, acid-resisting, alkali-resisting and oil proof. Available different colors: yellow, blue, grey, red, white, orange and so on. Fire Resistant. Application Temperature: -40 ¡æ>~+80 ¡æ Transparent Window: import PVC transparent crystal soft plate, round, square or oval is available, the size is customized. Wind Resistant: 15m / s. Sealability: the U-shaped balloon bags (at the bottom of the door curtain) can tight fitting with the ground, the seal strip on the both sides of the door can vermins-proof and dust-proof. Opening/Closing Method depending on the application:push button,pulling cord,Radar,Remote control, Opto-electrical control, Interlock function (between new and/or existing doors). Manual opening handle when out of power. Door Frame: Galvanized steel, Stainless steel or Aluminium Alloy (Optional) Position:warehouse, logistic center, warhousing.