1.Solar PoweredEach outdoor solar candle comes with a 1.2V 300mA AAA battery, which can be fully charged within 8 hours under direct sunlight. Then it gives you 8 hours of continuous lighting. (Note: Please tear off the plastic film on the solar panel before use. The switch must be "ON" when charging)2.Auto On/OffThe twilight sensor automatically turns on and off the candle. Candles automatically turn on in dark environments and turn off in bright environments.3.IP65 WaterproofYou can use these candles in clear glasses or outdoor shades. Our little candles can light up on rainy nights. You can use it in home/garden/restaurant/party/festive/wedding decoration.4.Safety Flameless CandlesSolar false candles use solar energy, are smokeless, flameless, windproof, have no fire or burn hazard, and are suitable for families with pets or children.5.Good Gifts: It is a good gift choice for many occasions. Housewarming gifts for friends, holiday gifts for the elderly, birthday gifts for loved ones, etc.