* Three functions: remote controlled, electric, manual built-in, outside, back contorted spring balance system 

* Door plate adopts advanced imported steel, the surface of which is impressed with classic wooden stripe embossment

* The inside is foam, which can improve the effect of temperature retention and sound insulation. 

* Thickness of door plate: 40-50mm

* The infrared secure protection device is available

* Speed: 140mm/s

* Distance of remote controlled: 30m

* Lock in emergency for power off

 

* Finger protector