Best Usb Flashes

IP Rating: IPX8, Works well in raining day,can use under the water to 2 meters!5 Modes: Low/Medium/High/Eco,SOS is hiddenMax output: 1200 LumensWeight (g): 143gPacking Include: 1x L50 LED Flashlight 1x USB charge cable 1X hand strap Charge lamp indicate color Function: When begin to charge: 1 If red color is on,the flashlight is being charged normally, when full ,will be Green2 If green color is flash,that shows the flashlight is on,please press the tail switch to be off3 if red color is flash,it shows the battery has problem,please change the new battery 4 if red and green color flash alternately,shows battery place is reversal,or the tail need to screw down .Light Mode: Please gently press the tail switch to change the Light Mode, from Low/Medium/High/Eco.SOS is hidden. When press down the tail switch, to hear "Di" one sound ,to be ON or OFFLow power warning function :This flashlight has the smart "low power warning",at any mode, the light will flash 3 times when the current power less than 30 minutes. And it will flash every five minutes,if still low power ,so that is please you to charge the battery, many thanks ATTENTION: 1 Please open the tail of flashlight, take the insulating spacer out, before using or connecting the USB cord when charging. 2 Because the Max Lumens to be 1200 LM,very bright,Please do not make the LED light direct to the eyes. 3 When the flashlight is on the High mode for a long time in no wind or in not riding the bicycle its head temperature will up to be about 50 degree,which is normal.About 50 degree is not too hot,but please don't allow the