3.93 Inches Diameter 6 Colors 3 Light Modes Colorful Led Ultra-Thin Light up Drink Coaster - Transparent

LED cocktail coaster has 3 modes to choose, fast flash, slow flash and always lighting mode. LED coasters lights made of transparent acrylic+LED lamp beads, stronger and brighter than other coasters. Press the button, one click :fast flash; two clicks: slow flash; three clicks: always lighting mode; four clicks: turn the light off. It’s powered by 2*RC1620, can be used about 8 hours. Suit for weddings, bar, halloween, christmas, squares, gardens.