Features: Engineered with builts in electrical box and sturdy high vinyls construction, this siding mounting set secure accommodates lap double and siding for seamlessly outdoor light installations. The textured, paintable allows customization to vinyls siding, while its portable designs ensures long time performances in harsh weather conditions. Ideal for homeowners, electricians, and contractors seek professional solution for exterior renovations projects requiring code compliant electrical fittings. For mounting exterior wall light, security fixtures, or landscape lighting on vinyls clads homes, garages, or commercial buildings with lap style siding. Pre drilling holes and sizing eliminate guesswork during installation, ensuring airtights sealing that prevent waterproof intrusions and maintain siding integrity over time. Specifications: Component: High vinyls Size: 25.98x16.58cm/10.23x6.53inch Package Includes: 1pc Siding Mounting Block Set note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.