Features: Multi color: By installing the app, LED Rock Lights offers 16 million different colors, and each light box can emit 150 ° ultra wide angle light. Allowing you to choose your preferred color and brightness adjustment to create a comfortable and romantic atmosphere. Multi functional: APP control, BT 5.0 connected, support Android 4.3 and IOS 7.0 or above. Compatible with IOS and Android systems (requires "location function" to be enabled when using Android), color&brightness adjustment, custom DIY function, and music synchronization function. High brightness: Each light box uses 12 (3x4) premium-quality 5050 high-power chip beads, which is more than other rock light on the market. High brightness, low energy consumption. Durable structure: Durable PVC shell and sturdy PU lens. Fast heat dissipation, durable, and good heat resistance. A lifespan of 50000 hours. IP68 waterproof, shockproof, dustproof, rust proof, and resistant to impact. Widely applicable: The rock lamp kit can be widely used in SUVs, four-wheel vehicles, ATVs, UTVs, trucks, cars, boats, golf carts, etc. Specifications: Item: LED Rock Lights Color: Black Working Voltage: DC 9-16V Bead: 5050 Beads Number of Lamp Beads: 12smd/piece Circuit Board: Single-sided 1.0 Aluminum Substrate Wire: 11 core pure copper wire core, 3mm neutral anti conductive wire skin Shell Material: PVC Lens Material: PU glue LED Color: 16 Million Colors Operation Mode: APP BT Control,Android 4.3 and IOS 7.0 or above Package Size: 27.5*16.5*5cm Package Weight: 408g Note: *Please connect the rock lamp together before connecting to the power supply to avoid strong current burning out the lamp box, DC 9-16V. *Wire harness connection: The black wire is used for negative/ground, while the red wire is used for positive. *Drilling: To make the position of the lamp more stable. It is easy to install on a flat surface under the vehicle and has a very beautiful appearance! Package List: 4* LED Rock Lights 1* Switch Cord Sets 1* Other Fittings