Description: Available to fit doors between 25mm and 42mm in thickness. 180 degree wide viewing angle, easily view the surrounding area of someone standing outside. Made of solid and thickened alloy material, sturdy construction. With a privacy rear cover, offering the highest level of privacy for your protection and safety. The lens will secure your home against burglary, intrusions and home invasion. Easy to install, replace your door viewer in several minutes with no tools required.Specification: Material: Zinc alloy Color: ABSize: About (25-42)x14mm Angle: 180 degree Package Included: 1pc x Door Peephole Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.