Features 1、Colorful Light: Lighted cocktail coaster with colorful lighting, can be reflected and amplified through bottles, liquids, glass, perfect for home decor. 2、Widely Use: LED light coaster can be used for tea parties, bars, nightclubs, weddings, events and parties, anniversaries and any festive occasion. 3、Battery Power: LED Light coaster built in 2pcs CR1620 button battery, can be used for about 10‑20 hours, which can create warm environment. 4、Easy to Use: LED Cup holder lights with 3 lighting modes of flashing, rotating, steady on, which can meet different lighting requirements. 5、Excellent Acrylic: Light up coaster made of acrylic material, firm and sturdy, which is durable for a long time use, not easy to be broken. Specifications Item Type: LED Light Cup Coaster Material: Acrylic Width: Approx. 100mm / 3.9in Thickness: Approx. 4mm / 0.2in Battery: 2 x CR1620 Button Batteries 240mAh (Included) Light Source: RGB Light Mode: Flicker/Rotating Dynamic light/Steady on (click to switch) Control: Press buttons Weight: Approx. 39g / 1.4oz Package List 1 x LED Light Cup Coaster