Octagonal Design: Are You Also Worried About Installing Outdoor Lighting Fixtures on Vertical Siding? This Vertical Siding Light Mounting Kit, Octagonal Design Can be Easily and Quickly Installed on Vinyl Siding, with a Built-in Box, Designed to Facilitate Your Outdoor Lighting Installation, Except for the Drainage Hole at the Bottom to Prevent Water From Seeping into the Electrical Box Electrical Box Size: 4 Inches Diameter x 1/2 Inches Deep. Flat Mount; 1/2 inch Lap Siding Type; Perfect for 1/2 inch Lap Siding Surface, Package Includes a white Mounting Block with Built-in Electrical Box, a Cable Connector and Four Mounting Screws High-quality Material: Vinyl Siding Mounting Block Kit is Made of High-Quality Plastic with Clear Surface Texture and Can be Painted. You Can Paint the Lamps in the Color You Want. The Mounting Block is Well-Made, Sturdy and Beautiful, and Fits Tightly with the 1/2 inch wide Lap Siding Surface Easy to install: This Siding Mounting Kit with Built-in Distribution Box Can Be Easily and Quickly Installed on Vinyl Siding. First Drill Holes in the Siding Lap, Insert the Cable Connector, Install the Box with Screws, and then Place the Exterior Lighting Widely Used: The Versatile Siding Mounting Block Can Be Used on a Variety of Siding Types, Including for T-111 and for HardiePlank Lap Siding, and the Built-in Electrical Box Makes it Easier for You to Add New Lighting to the Siding Qishiyi Vinyl Siding Mounting Blocks Kit,Siding Mounting Block with Built-in Electrical Box Vertical Siding Lamp Mounting Plate for 1/2 inch Lap Siding