AGPtek&reg; Battery Operated Flameless Waterproof Floating LED Tealight Candle (12 Pcs) for Wedding Reception, Christmas, Thanksgiving, Birthday Party Lights, Hotels, Restaurants, Lounge, Bars & Other Special Occasions - Yellow Safe - No Flame, No smoke, No Wax, Waterproof Easy to use, simply let it float in water, the bottom twists off to replace battery. Operated by one CR2032 battery - Included Set of 12 Floating Tealight size LED candles, realistic light. Perfect for decoration of parties, outdoor wedding reception,Christmas, Thanksgiving, hotels, restaurants, lounge, bars & those special occasions.