Feature: Made of import premium-quality acrylic and energy-saving LED wick. Waterproof wear-resistant scratch high hardness and stability. Solar charging pressing and vibration can be luminous. Light up in dark to create a wonderful atmospheres in your car. Placed in the sun for 6 hours can be filled with electricity. No need tools and wiring needed easy to install. Specification: Type: Car Cup Mat Material: ABS LED Color: Blue Rad green Sensor: Light sensor and vibration sensor Light Delay Time : About 15s Waterproof: IP67 Battery: Built-in 3.7V 220mAh battery Work Time: About 8h Diameter: 6.8cm/7.2cm On/off Switch: there is a button on the back of the smart glass pad press 5 seconds to start / turn off the light. Make sure the product\'s switch is properly opened when using it. includes: 1 x Car Cup Holder Bottle Coaster Mat