Feature 1Using diecast aluminum shell and tempered glass, it can deal with the harshest environment, dustproof, moistureproof, IP68 waterproof, rustproof and shockproof. 220 color combinations, 5 adjustable brightness levels, and 10 flash speed options. With memory function, steering and braking functions, it can also track the last preset mode. 3Bluetooth control includes functions such as music synchronization, sound synchronization, timing, DIY color and mode, etc; Remote control of single color and RGB mode, etc. 4Wirelessly adjust its color, brightness and flash speed through the mobile phone. The for BLEDIM application can be used in the for iOS Application Store or for Google Playfor Android 4.3 and above and for iOS 7.0 and above. 5Wide application range, suitable for 15.5inch wheel rim, perfect decorating your vehicle. Installation is simple, no complicated tools and procedures are required.Item Type: Wheel Ring LightMaterial: AluminumWorking Voltage: DC12V, light on the outer sideLight Strip: RGB 5050SMD epoxy waterproof light strip, Cable Length: Approx. 4 meters/13.1ftNumber of Lamp Beads: 288pcs/set (15.5 inches)Wheel Hub: 6063 Aviation AluminumControl Box: External Cable Length 52cm/20.5in (PRO RGB single Bluetooth control box)Waterproof Rating: IP68Application: Universal 15.5-inch wheelsBattery Type: CR2025 button battery (not included) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List4 x Wheel Light20 x Mounting Brackets20 x Mounting Screws20 x Mounting Bolts1 x Remote Control1 x RGB Control Box1 x Installation Guide1 x Remote Control Manual