2X Car LED Cup Holder Automotive Interior Dome Lamp USB Drink Holder Anti Slip Mat Product Bulb Multi Colorful Atmosphere Lights Note: The Cup Holder fit water bottle,size is not very big. Packing size: 9.5*9.5*3cm (2 packs) Features: Creative car cup mat with decorative RGB LED, makes your car cup holder looks cool and great,Low power consumption. Built-it sensitive light sensor and vibration sensor, this cup mat will automatically turn on at dark when it feels vibration, and turn off after about 15s. IP67 waterproof, easy to install, no tools and wiring needed, universal for all kinds of vehicles that come with car cup holder. (Please check the item size before ordering) Instructions: Long pre the button on the back to turn on / off the cup mat. Specifications: Charging function: USB charging Luminous color: led Color RGB (white, red, blue, green, yellow, purple, cyan) Diameter: 6.8CM Product net weight: 46g (1 set) (including 2 water cup mats and a USB charging cable) Package weight: 75G (2 pieces) Packing size: 9.5*9.5*3cm (2 packs) Includes: USB charging cable Material: imported high material acrylic Effect function: the cup seat acts as a luminous atmosphere Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-5mm error, due to manual measurement.