Specification Brand : SDO BulletPoint1 : PACKAGE INCLUDES :4pcs LED Wheel Rings,bluetooth control box 3.5 meters,extensions 2m*4,brackets,screws and accessories needed. BulletPoint2 : APPLICATION :The wheel light kit with a diameter of 15.5 inches is a universal kit that can be installed around the brake rotor. BulletPoint3 : RGB MULTI COLORS :Multi Colors RGB Disc Control in APP, a Tons of Dynamic selection, random or custom color combination,The Color Can be Determined by your own Preference. Have your Wheel Light move with your Voice Or Dance with your Music. BulletPoint4 : HIGH QUALITY :Made of IP68 Waterproof Dust-proof & Rock Solid Construction, Die-cast Aluminum Housing.Can withstand high heat temperatures. ConnectivityTechnology1 : Bluetooth ConnectivityTechnology2 : Radio Frequency FormFactor : Strip Hazmat : 9 IncludedComponents : 17RGB-2row ItemName : 17.5'' RGB Multiple Changing Double Row LED Wheel Light Kit IP68 Waterproof 576Leds w/Turn Signal,Braking Functionand Bluetooth App and Remote Ctrl ItemPackageDimensions_Height : 16.2 inches ItemPackageDimensions_Length : 16.2 inches ItemPackageDimensions_Width : 4 inches ItemTypeKeyword : automotive-tire-lights Manufacturer : FIA Material : Aluminium,Aluminum ModelName : 17RGB-2row ModelNumber : 17RGB-2row NumberOfItems : 1 PartNumber : YD-17.5"-RGB-Double ProductSiteLaunchDate : 2021-04-19T07:00:00.000Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 17 UnspscCode : 39112000 WarrantyDescription : 12 months. WaterResistanceLevel : waterproof