4 inch outerdoor waterproof clear color surveillance camera protective cover rainproof acrylic hemisphere security equipment accessories Our original half ball dome cover is made of precision mold and is formed by injection molding. Its surface precision is extremely high, the precision can reach 1 to 10 microns, the roughness is less than 10 microns, and it has high light transmission, low distortion, anti-aging, etc. Feature: 1. Product color: clear color 2. Material: Acrylic/PC (anti-aging, anti-UV, high light transmission) 3. Passed ISO14000 certification and SGS certification 4. Packing: shockproof and anti-pressure double foam carton protection 5. Various sizes and colors can be customized according to customer's needs (customized need a certain amount) 6. All of them are injection-molded, and they are now high-quality, high-grade spherical shields in the world. Outer diameter: 109mm Height : 56.2mm Dome size: 4inch