... 3 Convenience 4 Security 1 Nice Appearance --The roller shutter door,rolling shutter door panel is made of 0.5mm colorful stainless steel ... maintenance, durable for use. 3 Convenience -- Use Australian DC motor, remote controling or manually controling for choose, DC controling box ... burglarproof, wind resistant,fireproof,and automatic lighting system inside. roller shutter door,rolling shutter door