Waterproof & Moisture Proof Sealing: Engineered with a high-efficiency seal to prevent water intrusion, protecting internal wiring from short circuits and extending the life of your lighting fixture. Integrated Electrical Box Design: This siding light mounting block combines the junction box and mounting into -no extra accessories Makes installation faster, , and cleaner. Secure Octagon Solid Base: Provides a solid base to safely support most exterior light fixtures, minimizing the risk of loosening or falling due to wind or vibration. Perfect Compatibility: Direct replacement for part number 8161, Designed to fit for Outdoor Mounting Plate Smooth Flat , ensuring a precise fit for quick and easy upgrades. Built to Withstand Harsh: Crafted from , weather- materials, this outdoor light mounting bracket kit offers excellent and performance in all climates.