LED Luminous Transparent Crystal Ultra-thin Colorful Flash Bar Luminous Cup Mat Features: Two choices-the product contains 6 lights, two choices of cold white light/color lights, three LED modes, slow flashing/fast flashing/constant light, creating a romantic and warm space, providing you with romance, nobility and elegance life. One-button operation-press the center button of the product to turn on the power to turn on the fast flashing, the second time to flash slowly, the third time to press the constant light, and the fourth time to turn off the power. for is suitable for the scene-it can meet your needs in different occasions, such as any decoration for parties, weddings, cocktail parties, dinners, Christmas, Halloween, birthday parties, bonfire parties and night parties. Quality Assurance-Made of high-quality LED and acrylic, it has the characteristics of drop resistance, wear resistance and durability. Size: 3.92 inches in diameter, suitable for most cups, can hold cocktails, beer and various beverages without being corroded. Precautions for use-Do not wash directly, please clean with a damp cloth. Powered by 2 CR1620 batteries (included), these batteries can be used for more than 8 hours, which can meet your party needs. LED bar coasters are amazing decorations and gifts, perfect for bars, clubs, cocktail parties, etc.! Product information: Button: on/off, one-key operation Material: Acrylic Power supply: 2 x 1220 batteries (included) LED color: color (red/blue/green), cool white Including packaging： We provide 1PCS LED cup mats to choose from Precautions: 1. Do not clean the LED cup mat directly to avoid short circuit. 2. Do not put hot drinks on the LED cup mat. Features heat resistant, protect your table well. Strong water absorption, applicable for dining table and tea table. Small in size, easy to storage and won't take up too much space. Perfect tool for baking cookies, cake, ect Convenient to use and wash.