Compact size and fit - Dimensions: 6.53 inches wide by 10.23 inches long. Designed for vinyl siding with a height of 4 inches and a double 1/2 inch wide lapped siding surface. - The mold and block are paintable after caulking. Easy installation with built-in electrical box - Simple, fast mounting on vinyl siding with a built-in electrical box. - Installation steps: 1) Drill holes in the siding lap and pass the wires through the holes on the outside. 2) Remove the knockout from the electrical box and insert the cable connector into the hole. 3) Pass the wires through the cable connector and mount the box with the included screws. 4) Place the exterior lights in the appropriate position on the electrical box. - Warm tip: To prevent water intrusion, caulk the top of the distribution box (drainage hole at the bottom is left uncaulked). Durable, versatile siding blocks - Made of sturdy UV-resistant plastic for long outdoor life. - Fits tightly to the siding and provides multiple wiring options to pull wires to the light, simplifying lighting upgrades on existing siding. Wide compatibility and practical use - Compatible with all types of siding, including T-111 and HardiePlank Lap Siding. - The built-in distribution box makes it easier to add lighting to existing siding in a clean, integrated way. Use scenarios - Front entry lighting: mount along the siding to illuminate the doorway with a clean, weatherproof install. - Garage or side wall lighting: add walkway or security lighting without visible wiring running across the exterior. - Patio or deck perimeter: position lights on siding to create ambient outdoor lighting with minimal installation effort.