Solar Powered - Each votive comes with a 1.2V 300mA AAA rechargeable battery, can be fully charged in 8 hours by direct sunlight. Then it will provide you with 8 hours of continuous lighting. (Note: Please remove the plastic film from the solar panel before use. The SWITCH should be 'ON' while charging.) Intelligent Sensitivity: Dusk to Dawn sensor turns on and off automatically the candle. The tea lights in the dark environment will automatically light up and automatically turn off in the bright environment. IP65 waterproof: you can put these candles in a transparent glass jar or a lampshade for outdoor use. Our tea lights can light up on rainy night! And you can use it in home/garden/restaurant/party/festival/wedding decoration. Flameless candles are safe: Solar fake candles use solar energy, smokeless, flameless, windproof, no risk of fire or burning, safe for families with pets or children Warm service and satisfaction guarantee: As an honest seller, we always do try our best to