Features: APP control, for mobile phone system & Color & change mode & DIY function & Music function (sensitive microphone sound sensitivity 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 quality RGB 5050 chip lamp beads, high brightness, low energy consumption. Durable PVC housing and rugged PU lens. Fast heat dissipation, durable, good heat resistance. 50000 hours service life. IP67 waterproof, shockproof, dustproof, rustproof. Scan the QR code on the control box to download the APP for installation, connect the device to set your own light effect. Note: Please connect rock lights together before connecting the power supply to avoid burning the lamp box with strong current. Rock light kit can be widely used in SUV, ATV, UTV, truck, car, boat, golf cart bottom shade light kit. Use them under your vehicle or as interior or exterior lighting. Specifications: Material: Plastic Working voltage: DC12V Lamp bead specification: 5050 lamp bead Number of lamp beads: 24smd/pc Wire: 11 core copper wire core, 3mm neutral anti conductive wire sleeve Housing material: PVC Lens material: PU adhesive LED color: RGB 16 million colors Operation mode: APP control (IF no blocking connection control) Chassis light line: 1.46m Separation line: 0.6m Extension cable: 1.52m APP control line: 0.5m Switch controller to battery line: 1.9m Package Size: Approx. 27x16.5x5cm/10.63x6.50x1.97in Type: 1/2/3 Package Includes: 1 Set Rock Light 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. Harness connection: Black wire is used for negative/ground, while red is used for positive.