The door has two parts. If close one, they will be both closed.It also has an alarm and interphone on it.

Features:1) Faceplate material: non-directional stainless steel, hairline stainless steel, fnished stainless steel, mirror stainless steel2) Button: D type button3) Indicator: segment display, Dot Mat

Features:1) Faceplate material: non-directional stainless steel, hairline stainless steel,finished stainless steel, mirror stainless steel2) Button: R type button3) Indicator: segment display, Dot Mat

Features:1) Faceplate material: non-directional stainless steel, hairline stainless steel,finished stainless steel, mirror stainless steel2) Button: M type button3) Indicator: segment display, Dot Mat

Product Name: M LOPPlace of Origin: ChinaFeatures:1) Faceplate material: non-directional stainless steel, hairline stainless steel,finished stainless steel, mirror stainless steel2) Button: M type but

Features:1) Faceplate: hairline stainless steel, Aluminum, stainless steel in golden color2) LED light: red, green3) Braille: with Braille or without Braille4) Cable: with cable/ without cable

Product Name: M Screwing Type ButtonPlace of Origin: ChinaFeatures: 1) Faceplate: hairline stainless steel, Aluminum, stainless steel in golden color2) LED light: red, green3) Braille: with Braille or

Features:1) Faceplate material: non-directional stainless steel, hairline stainless steel,finished stainless steel, mirror stainless steel2) Button: M type button3) Indicator: segment display, Dot Mat

Product Name: M Type COPPlace of Origin: ChinaFeatures:1) Faceplate material: non-directional stainless steel, hairline stainless steel,finished stainless steel, mirror stainless steel2) Button: M typ