1.Each candle has one on/off switch, you can use several candles one time or all of them as you like.2.Install 12 candles on the charging base, and each candle can be .3.Longer lifespan, operation and more convenient use. Candles flicker like a real candle, without risk of real flames.4.It doesn't have an open flame and it doesn't heat up during usage, can be use in outdoors or indoors. It's absolutely safe when your kids or pets get close or even touch them.5.The light is soft and bright. It's perfect for your home, bar, hotel, party, wedding, birthday's decorations, Bedroom etc. Best gifts for your families or friends.Led light Color:RGBBattery:polymer lithium battery 3.7v180mahCharging Time:4hWorking Time:10hCharging Base parameters:Input 5V 3A,Max 15WDue to different batches, there may be differences in product appearance and printed text, which not affect useVoltage: AC100-240VPlug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so onColour:As ShownMaterial:PP+ABSPackage Contents:12 x Candle Lights Lamp1 x Charging Base1 x AC Adapter1 x Remote controller