... With the sensor build in,you can simply turn it on/off by blowing or shaking !Features:1.100% brand ... .Flicker like real candles3.Flameless,smokeless,safe to use4.No hot and dirty wax to deal with5.Long lasting, ... Convenient - simply blow or snake it to turn it on /off,no need to light with fire or take it out ... It works like a real flame.You can blow on the candle or blow it out directly.The sensor ...