180 Degree Adjustable Viewer Wide Angle Security Door Peep Sight Hole Doorbell Cat's Eye

Type: Door Viewers Product: Door Cat's Eye Doorbell Material: ABS Fits Door Hole Diameter: approx 35mm Door Thickness Fits: 50mm - 70mm Color: As pictured Power: 1*AAA Battery Not Included Package Included: 1pc Cat's Eye Doorbell Feature: Door peep and doorbell combined together Adjustable Length Range 180 Degree Wide Angle Note: 1.Please allow 1-2cm differences due to manual measurement, thank you 2.Please understand that due to light irradiation or computer display differences, I cannot guarantee that photos and actual colors are 100% the same