Features 1、Built‑in light sensor and vibration sensor, the coaster light will automatically turn off within 15s when there is no vibration or movement. 2、With a solar panel, the coaster can be powered by solar energy, which is convenient and safe. 3、The coaster has an IP67 waterproof rating, so there is no need to worry about water spilling on the coaster when the car is driving. 4、Made of high‑quality acrylic material, soft texture and good toughness, not easy to wear after long‑term use. 5、The LED coaster is easy to install, no wiring or additional tools are needed, just put it in the cup slot. Specification Item Type: Car Coaster Material: Acrylic + Solar Panel Purpose: Car interior atmosphere light water coaster Quantity: 2pcs Diameter: Approx. 6.8cm / 2.7in Package List 2 x Car Coaster