Specifications: Material: Acrylic Color: clear Types: round Flash mode: cycle flash, breath flash, long light, flash Power by: 2 x 1220 button batteries(Included) Size: (Approx) 12cm, 10x10cm Package Included: 1 PC x LED Coaster Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement. LED coasters lights made of transparent acrylic+LED lamp beads, stronger and brighter than other coasters; Slip-proof material, more stable. Surface water proof, but please don't put it in the water. LED cocktail coaster has 4 modes to choose,cycle flash, breath flash, long light,flash. 6 little LED beads, more brightness than the other coasters. This LED coasters for drinks which can make the clear containers such as wine bottle or wine glass become bright and colorful at once. Make the atmosphere of the party more enthusiastic. Suit for weddings, bar, halloween, christmas, squares, gardens. Your friend will suprise with this coasters. This LED coasters can satisfy your needs of different occasion, such as party, wedding, cocktail party, dinner party, campfire party and any decoration for party at night. The LED cocktail coaster multi-color lighting, colorful, cool and safe and environmentally friendly, reflecting the romantic and warm atmosphere.Creating a romantic inviting space, optimize scenery and lifestyle, supplying you a romantic, exalted and elegant life.