Advance optical technologies in our "F&NA" door viewer series. Users can visitors outside the door at the distance of one meter to the far & near amphibious optical system without saying close to it.
  	
  	
  	
  	Basic Parameters:
  	Angle: 180°
  	Case Material: Aluminum
  	Lens Material: PMMA (plastic)
  	Tube Diameter: 26mm
  	Head Diameter: 35mm
  	Door Thickness: 60-85mm
  	Finish: -NA (Nickle Anodized Aluminum)
  	
  	Package:
  	Carton box:10pcs/inner box,500pcs/big box
  	
  	Optional Finshes:
  	-GA (Golde Anodized Aluminum)
  	-SA (Silver Anodized Aluminum)
  	-NA (Nickel Anodized Aluminum)
  	
  	MOQ:1000pcs
  	 www.doorviewer-china.com