Never buys batteries or bulbs Ideal for business trips, the outdoors, hiking, boating, fishing, camping and promotional purpose No need battery, no pollution Mp3 Mp4 Mobile phone charger2 LEDs this is Shanghai GUTAI FLASHLIGHT transfer Co ;,Ltd and all kinds of flashlight,as you know china has good quality and low price products and good sercice,it will suitable you applications,please contact me and we will send samples for you test,hope we can estanblish long term relationship and become you stable supplier,and also will become good friend.thank