iEI Water Diyas turn on you place a some spoon of pour water on them.it is operated by 3 button cells .The light is emitting warm orange yellow color just like traditional for home decoration diwali diyas blink without ghee or oil. Get these for festivals like diwali you can use eco friendly e-diya our office and temple.it is also known as table water sensor led diya and use occasions or surprise your guests. No hot like oil lamps to deal with cool temperature no fire risks or burning risks safe for families pets or young children and beneficial for nature. A Make-in-India product to be our india please support indian product.....ððððð . About this item-It is made by Indian LED light emitting time more than 10 to 15 Hr. The water sensor Diya so you can use them to warm yellow light anywhere you to go Indoors and Outdoor use best use this festival water sensor eco friendly diyas gift for diwali for home decoration office mandir candles light dinners etc. The Diyas are smokeless Becouse light emit from Led bulb that create eco-friendly atmosfair and pollution free Lowers the risk burn of fire due to flame is Flameless it Works on 3 button Cell batterie that could be easily replace after the battery discharge long time. . . . IEI Traditional Artificial Plastic Wax Festivals For Home Decoration Diwali Temple Office Purpose Sensing Technology Warm Orange YELLOW Colour Ambient Light Flameless Electronic Battery Powered Operated Candles Shaped Flameless Brown Plastic PET Eco-Friendly Material Table LED Water Sensor Diya.