Features: Through the installation of the APP, 16 million different colors are provided, and each light box can illuminate a super wide Angle of 150. You can DIY your own unique color pattern to create a cozy atmosphere. APP control, Color & change mode & Custom DIY function & Music function (sensitive microphone sound sensitive function, chassis light will synchronize the sound captured from the microphone, and then the light will change color according to the music rhythm) Each light box uses 12 (3x4) high quality RGB 5050 high power chip lamp beads, more than other products on the market. Durable PVC housing and robust PU lens. Fast heat dissipation, durable, good heat resistance. 50000 hours service life. IP68 waterproof, shockproof, dustproof, rustproof, anti beating. Rock light kit can be widely used in SUV, ATV, UTV, truck, car, boat, bottom shade light kit. Use them under your vehicle or as interior or exterior lighting. Specifications: Material: PVC Working Voltage: DV9-16V Light Bead: 5050 Light Bead Light Bead Amount: 12smd/pc LED Color: RGB 16 Million Colors Operating: APP Bluetooth-compatible Control Size: Approx. 7.5x4x1.7cm/2.95x1.57x0.67in Type: Small Remote/Large Remote/Without Remote Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please connect rock lights together before connecting the power supply to avoid strong current burning the lamp box. Package includes: 1 Set Rock Light