Description: Easy and Quick Installation: This Siding Mounting Block is designed for effortless and quick installation on vinyl siding. Simply drill a hole at the siding overlap, thread the wires through the outer hole, remove knockouts from the electrical box, insert cable connector into the holes, thread wires through connector, and secure the box using several included screw. Finally, place your exterior light onto the electrical boxMaterial: The Light Mounting Block is crafted from plastic and stainless steel materials to ensure long term durability and resistance to weather conditionsCompact Dimensions: The Siding Light Mounting Block measures 6.38inchx6.38inchx1.30inch, making it an ideal size for various lighting installations without being obtrusiveVersatile Application: The Outdoor Mounting Plate kit is perfectly suited for installing vertical side lights or other exterior lighting fixtures on vinyl siding surfaces while maintaining a clean and professional appearanceComprehensive Package Contents: Each package includes a mounting block with a built in electrical box, a cable connector, and four mounting screweverything you need for a complete installation Specification: 16.2cmx16.2cmx3.3cm/6.38inchx6.38inchx1.30inch Package Includes: 1 Siding Light Mounting Block with a Built In Electrical Box1 Cable Connector4 Mounting Screw Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.