Features:* brand new and high quality*High quality: all steel construction, making certain high quality and durability*Contemporary: modern look, simple and effective, smooth to put in door viewer*Wide angle: one hundred eighty degrees crystal clearviewing angle*Coverless: skip the hassle of opening/closing the eye cover*With the back conceal in place, friends outside can't see during the viewer into your homeSpecification:Material: Zinc alloyAngle of view: a hundred and eighty degreesEasy to install:Select the 42mm-60mm thick doorsUnscrew the door viewerInsert the entrance end of the door viewer exterior the door and tighten it.Insert the again end of the door viewer into the door and tighten it.Package Contents:1x Door ViewerNote:1. The real shade of the article could also be slightly varied from the images shown on online page caused by many factors similar to brightness of your visual display unit and light brightness.2. Please allow slight guide measurement deviation for the data.