Description:_x000D_ This high technology optical glass door viewer provides a 200 degree wider angle and super clear view out of the door. A good home security system help to effectively avoid home invasion or unexpected visitor. Replace the old one to reduce the potential danger of yourself and your families, especially child and the elder._x000D_ _x000D_ Features:_x000D_ _x000D_ Made of high quality zinc alloy, corrosion resistant, more solid and durable._x000D_ _x000D_ Adopts high technology optical glass lenses to ensure clearer view. _x000D_ 200 degree wider angle than the conventional door viewer. _x000D_ With a lid to cover the lenses by manually rotating the lid and well protect your home privacy. _x000D_ Easy to install, different color for you to choose. _x000D_ _x000D_ Specifications:_x000D_ Condition: Brand _x000D_ Material: Zinc Alloy_x000D_ Color: Brushed Silver, Red Bronze, Bronze, Gold(Optional) _x000D_ Tube Diameter: 16mm / 0.63inch _x000D_ Fit for thickness of door: approx. 35~65mm / 1.4~2.6inch_x000D_ Hole Diameter: approx. 16~19mm / 0.6~0.7inch_x000D_ _x000D_ Angle: 200_x000D_ Weight: approx. 37~45g_x000D_ _x000D_ Package Included:_x000D_ 1 x Door Viewer_x000D_ _x000D_ How to Measure:_x000D_ Please take part the old door viewer at first and measure the size of hole; if there is no door viewer, please measure the thickness of door._x000D_ _x000D_ How to Install:_x000D_ 1. Depart the door viewer into 2 parts._x000D_ 2. Insert the lenses from the outside of door._x000D_ 3. Insert the base from the inside._x000D_ 4. Tighten slot by hands or with the help of screwdriver._x000D_ _x000D_ Note:_x000D_ 1. Please allow 0-2cm error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1Made of high quality zinc alloy, corrosion resistant, more solid and durable 2Adopts high technology optical glass lenses to ensure clearer view 3200 degree wider angle than the conventional door viewer 4With a lid to cover the lenses by manually rotating the lid and well protect your home privacy 5Easy to install, different color for you to choose1 x Door Viewer