... illuminate through smoke,water and fog,0.5m waterproof,light weight and handyFunction:Self-locking on/off, fast ... OxidationWaterproof degreeIP55The highest Luminance 70lumensPackagingMailbox Color box Gift boxPURPOSE:Ideal for the Car, Home, Work,Camping, Emergency Kits, ... irradiate it to human eyes, especially for Children ,or else, it may cause temporary blindness for the harsh light of flashlight.