[Sturdy and Long-lasting] Constructed from high-quality plastic materials, these vinyl siding mounting blocks durability and resilience, providing a reliable solution for your outdoor lighting needs. [Versatile Compatibility]Designed to mount light fixtures on all types of siding, including for T-111 and HardiePlank lap siding, these siding mounting blocks make adding lighting to existing siding much easier. The built-in electrical box streamlines the installation process. [Easy Installation Steps]1. Drill holes at the overlapping area of the siding and thread the wires through the outer hole.2. Remove the knockout from the electrical box and insert the cable connector into the hole.3. Thread the wires through the cable connector and secure using the provided screws.4. Place your outdoor light onto the mounting block. [Easy Installation Steps]1. Drill holes at the overlapping area of the siding and thread the wires through the outer hole.2. Remove the knockout from the electrical box and insert the cable connector into the hole.3. Thread the wires through the cable connector and secure using the provided screws.4. Place your outdoor light onto the mounting block. Colour:As Shown Material:plastic The actual product may have slight color difference or difference, which not affect the use Package Contents: 2 * Vinyl Siding Mounting Blocks Only the above package content, other products are not included. Note: Light reflection 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.