🔧Easy Installation & Safety: With 10 arms coming PRE-WIRED, you don’t have to worry about wiring it yourself. You just need to set screw to lock them into place securely and mount to the junction box. Mounting hardware and instruction manual are included for easy and quick installation. A licensed electrician is highly recommended. The wires and bulb base comply with UL standard to enhance safety. 🌟Adjustable Height Chandler Light Fixture with Sloped Ceiling Adapter: The modern pendant light has 4 x 9.8 inches extension rods to easily adjust the hanging height as you requested. It works for a low ceiling or high ceiling house. The sloped ceiling adapter features a durable swivel to mount on flat, vaulted or sloped ceilings. 📏Size of Sputnik Chandelier: Max H x W x D: 50.59 x 23.5 x 4.72 Inches; Arm Length: 10.3 inches; The Diameter of The Canopy: 4.72 inches; It is suitable to hang in a room ranging from 15-30 Sq.m. It is ideal for for 10-11 Feet ceiling.