Detailed Product Description LED yellow shell tealight Can light On/Off by blowing.if the installed candle is controlled directly by switch1,Flame flickers like real candle 2,No fire,no smoke ,no risk ,nothing to worry about 3,No flame to blow out in the wind 4,on/off switch on the bottom,or blow the light to turn on/off Battery :3*AG13(LR 44) batteries included