1 Nice Appearance: the door panel is made of 0.5mm colorful stainless steel boards.hard frame, smooth lines,beatiful color, and luxurious style.
2 Good Quality: all parts are made of high-quality materials, do not use any lubricant for maintenance, durable for use.
3 Convenience: use Australian DC motor, remote controling or manually controling for choose, DC controling box, quiet and economice
4 Security: no noise, automatic bounce for safing protection, burglarproof, wind resistant,fireproof,and automatic lighting system inside.