ATMOSPHERE LAMP AND CUP MATE: 2-in-1, convenient and safe to be used as a cup holder in the car, but also can be a car interior decorative light, creating an wonderful atmosphere for you. LIGHT SENSOR AND VIBRATION SENSOR LAMP: The cup mat will automatically turn on with a blue/red/green light at dark when it feels vibration, and turn off after about 15s. SUPERIOR MATERIAL: Made of high-quality Acrylic and Energy-saving LED wick. High-quality acrylic panels is wear-resistant scratch, high hardness and stability, its bright mirror can endure high temperature. SOLAR CHARGING FUNCTION: Supports both Solar Charging, using premium solar panel that can efficiently harness solar power during the day within 6 hours when placed in direct sunlight. EASY INSTALLATION, UNIVERSAL COMPATIBILITY: This cup holder coaster with LED accent light is easy to install with no tools, screws and wiring required. Universal design for all kinds of vehicles that come with car cup holder.