... etc 3.2AA/3AAA Battery box led battery light(led battery flash-light) Name: LED Battery Light: LED Flashing Battery Light set, 20 Blue ... ). Indoor/outoor use. Important function of this kind led battery light is Flash led, That is Do not need controller ... : 86-555-2588577M.P: 86-14755316814SKYPE: sara.tong751 Led Battery Light (led battery string light, battery string light,battery operate lighting)