Zerodis Door Viewer Security Peek Peephole Optical Glass 220 Degree Wide Angle with Privacy Cover (Brushed Silver)

【Back Cover】The viewer has a a lid of 1.5mm thickness, cover the lenses by manually rotating the lid to well protect your privacy., it can stop others peep across your door to keep your house safety. 【220 Degree】A nice 220-degree visual angle provides the security of identifying visitors from behind a locked door. The lens will secure your home against burglary and home invasion. 【HIgh Quality】Made of high quality copper material with plating process, corrosion resistant, more solid and durable.Adopts high technology optical glass lenses to ensure clearer view. 【Simple Installation】Suitable for 36mm-60mm thick doors, tube diameter about 22mmsimply drill a suitably positioned 22mm to 25mm diameter hole, insert the viewer into the hole then screw the two sides together and tighten by hand, replace your door viewer in 5 minutes with no tools required. 【Widely Use】Delicate processing, suitable for doors, wooden doors, iron doors, bedroom doors.