This hardware is designed to mount on the wall behind your aquarium and make it easy to hang your light fixture over the aquarium. Compatible light fixtures include the Aquatic Life Hybrid, G2 Hybrid and DX18 models. Light Fixtures NOT Included. With the Aquatic Life Floating Suspension, your fixture is securely attached to the wall behind the aquarium and allows for easy access inside the tank. Designed to blend into the surroundings, the Floating Suspension comes in white to match most walls and black for darker backgrounds and uses a suspension-bridge cable design to minimize the footprint of the hanger while providing strength. Features: Cantilever Wall Brackets are made with powder coated aluminum and steel to provides years of durable life above the aquarium - Brackets allow the fixture to be positioned 1 to 3.75” away from the wall behind the aquarium - The pivoting steel brackets make it easy to tilt the fixture up for quick access to the aquarium - Specially designed cable ball sockets allow the cables to angle away front he front of the fixture, providing a clean look - Loosening a few set screws allows the entire fixture to be moved up and down above the aquarium to dial-in the correct lighting - Safety stops can be locked in place to ensure the fixture never contacts the top of your aquarium - Included metal cable management slides help conceal the excess cable while still allowing for easy adjustment if needed - Use the included level to install the Cantilever Wall Brackets perpendicular on the wall and ensure the light fixture is even over the aquarium - Each Floating Suspension includes everything needed to mount one Aquatic Life Hybrid Fixture to the wall (Screws included are for mounting onto a solid wood surface. Always use the correct hardware for mounting to your specific surface).