Advantages * High purity color * Bright quad row leds strips * Easily wired into your vehicle power system ; * Resistant to weather, IP68 Waterproof rate ; * Multi-function Universial Fitments : Can use under the car,decorate interior of the car,car door lights, can use this to make wheel rim lights... [Material]:The white ring light frame is made of solid aluminum alloy,and the durable PC silicon tube belt has IP68 waterproof grade. Assembly parts and easy to install. * Connection: Please Connect the Positive to the ACC directly, and connect the negative to the Ground wire, Don't need any fuse. if you use the improper fuse may cause problems ! (Wiring connection :Black = negative, Red=positive) Two control patterns:App control control APP Control includes music sync,sound sync,Timing,DIY colors and mode features. Dynamic mode speed adjustable. Flash,fade,strobe,smooth mode is avaliable 【Application】White Wheel Rim Lights for Trucks,SUVs,RVs,4x4s,Pickups,Atvs, Van,Trailers,Tractors,Use Them Under Your Vehicle Or As Interior Light, Off-Roading Light, Reverse Light,Etc. Great material and high Performance IP68 Waterproof/ Dustproof/ Rustproof/ Shockproof Aluminum alloy+PC High intensity LED chips Working voltage: 12V Operating Temperature: -40℃ to 85℃ Bluetooth App Available for: iOS 7.0 or Android 4.3 above Life Time: Over 50,000 hours Simple and fast operation Controlled by Remote and APP controller, with quick Bluetooth connection. Just need 2 steps following, you can easily operate it! 1,Scan the QR Code on the controller box to download the app (over Andriod 4.3 or IOS phone). 2,Open the phone Bluetooth of your phone, search the signal and connect, then you can use app control the lights * Fit For: Perfectly fit for all 12V vehicles and devices : 1. Wheels diameter have to be 21 inch or larger 2. Brake rotors have to be 15.5 inch or smaller 3. MUST be make sure all the wiring size suitable for your car before ordering (Professinal installation are suggested!!!) PACKAGE CONTENT: Illuminated LED Rings*4pcs set Aluminium Mounting Brackets Hardware: Bolts, Nuts, Washers, and Screws Bluetooth controller with connecter Instruction paper