Specification: Condiiton: 100% Brand New Color: Green Bronze / Bright Chrome / Gold (Optional) Material: Zinc alloy + Resin lenses Suitable for opening: diameter 25.4mmSuitable for door thickness: 35mm-60mmViewing angle: 180 Size: As picture shown Package Included: 1 x Door Eye Viewer Research&Development Our R&D team keeps developing new items for customers. All over the word to ensure that we keep the follow of new hot selling point. If you have any questions or suggestions, please do not hesitate to contact us for further assistance. ·New product development ·Features of the different market