Widely use: The waterproof box works with camera(You can drill holes on the plate to match your camera base's hole).Item dimension: Outside diameter of junction box round: 3.94 inch, plate center hole: 0.98 inch, Height of aluminum box: 1.96 inchMaterial: Heavy aluminum construction, waterproof and stable, it will ensures durable and stable performance.Easy install: With professional design, Fits both wall and ceiling mount installation, just drill holes on the walls and install where you .Hide your cables: Rear/Bottom access to pass through. Perfect for cables and . Easy operation and maintenance, it's a good protect your cables.Colour:whiteMaterial:Aluminum alloySize:10 x 10 x 5cmPackage Contents:4 x junction boxOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.