LOTOWELZON Clear 4Inch/100mm Acrylic Indoor/Outdoor CCTV Replacement Camera Dome Cover Security Camera Housing Surveillance Camera Cover

Descriptions: High quality 4" acrylic dome. Great for many uses. Could be used as a pet window in a gate, a kid window in a playground, a cover to protect a surveillance camera (may possibly interfere with motion detection), a cover to protect an all-sky camera, a cover for a skylight (if sealed sufficiently), and anything else you can think of. Note that the shape is half a sphere and that two put together could make a nearly perfect whole sphere. Features: Well Ultraviolet Resistance and Aging Resistance. Transparency: ?94%; Distortion factor: ?0.16% Material: Acrylic/Polycarbonate. Max Inner Diameter of hemisphere: Approx.100mm/3.94inch; Outer Diameter: Approx.120mm/4.72inch; Center distance of locating hole: Approx.77mm(3.03inch) / 110mm(4.33inch). Height: Approx.66mm/2.6inch; Width of edge: Approx.10-12mm; Diameter of locating hole: Approx.3mm/0.12in. Dome Thickness: 3mm Package Includes: >1 x 3.94 inch/100MM Acrylic Dome