Why choose this Cup Holder Lights? Because it can create a cool and unique atmosphere in your car or at home. Upgrade your driving experience with this LED interior light. Features: LED Color: Red, Green, Blue, White, Orange, Yellow, Cyan, Purple Sensors: Light Sensor and Vibration Sensor Battery: Built-in 3.7V 220mAh battery Waterproof: P67 waterproof, prevent water from splashing on the surface to damage the product Material: Made of scratch-resistant acrylic panel, high temperature resistant bright mirror Package includes: 2 x car coasters + 1 x USB cable Notice: 1. There are some scratches on the surface, please tear off the protective film, the coaster will be smooth soon. 2. For safe air shipment, so we keep the battery power at 0. If you find it is not working at the first time, please charge the product. If you have any questions during the purchase process, you can contact us, we will definitely reply within 24 hours and provide a satisfactory solution