: LEDGOO star powered flashlight is a chummy biology product, designed to save lots of batteries and brighten your life at night interior and external. With bipartizan charge modes, it 's mainly as a flashlight at home with USB power hot and in use external via star power hot when you go hiking and encampment. Also, it 's emergency battery for phone when the phone prohibited of power external. Three bioluminescent for choosing to meet your need : glittering, A-one glittering and SOS.Suitable for the environment bioluminescent. : Item Size : 22.5 * 5.5 * 4.5 cm Power panel size : 6.4 * 1.8 inch Package size : 9 * 2.1 * 1.65 inch Internet Weight : 245g light-emitting diode type : Cree light-emitting diode Brightness lumen : 100 lumen for glittering mode, 120 lumen for A-one glittering mode. constitutional battery : 4000mAh Led working time : up to 34 hours Power needed : star power or 5V/1A USB power. USB power : 5V/1A Solar power hot all-out : 18H -LRB- under fortified sunlight -RRB- USB power hot all-out : 6H Package Included : 1 x LEDGOO star power flashlight 1 x Strap 1 x hand-operated .