(FLOATING ON WATER): floating tealights (D1.5 inch X H1.6 inch) are completely waterproof. Put these warm white light led tealight candles in your pool and vase or bowls filled with water to create warm and romantic ambience. ENERGY SAVING and CONVENIENT OPERATION: waterproof flameless tea lights are powered by CR2032 batteries. Fun that work through the conduction of the water! As soon as they the water they and go off when they are taken out. Please make sure that the bottoms are all tightened before use. IN ANY SETTING: Our LED flickering tealights can be used without having to worry of flame, absolutely no fire hazards or burning risks, no hot and dirty wax to deal with. Safe for families with pet(s) or young child(ren). VARIETY OF USAGE: Floating tealight candles are suitable for decorating events, creating romantic and relaxing ambience. Perfect addition for both indoor and outdoor occasions, eg. in SPA, bathroom, restaurants, wedding, party, and festival decorations.