Recommend to powered by 4pcs 3.7V 18650 2200 mAh batteries(NOT INCLUDED) for this rechargeable flashlight's life. Specifications:  -Brightness: 10000 lumens -Light irradiation distance: 300m+ -4 Mode:High/Medium/Low/Strobe -Lifespan: 50,000 hours -Material: Aluminum Alloy -Operating voltage: 4.2v -Working current: 5A -Charger input: 100V-240V, 50/60Hz -Running time: Recommend not to over half hours (high mode) -Battery Needed: 4x 3.7V 2200 mAh 18650 rechargeable lithium batteries(Not Included) -Charging Way: Powered by USB cable(Included) How to use the led flashlight better:  *The led flashlight can run with only one battery. *Strobe settings: To press the button for 3 seconds, the strobe mode will be activated/on. Press once again, this mode will be turned off. *About Charging: When the batteries in the flashlight are fully charged, the indicator light on the led flashlight turns green. Please unplug it out by then. *When the charging is finished, to wait for 30 minutes to wait the electrical properties stable. Otherwise it will affect the battery life. Note: -10000 lumens flashlight is high power light output devices, so the continuous operation will generate a lot of heat to become hot. It is normal phenomenon, you can continue to use. -As to the flashlight brightness, the using time of maximum brightness is not recommended for more than 30 minutes. It is suggested to use medium/low mode for daily life, or switch the light mode for multi using to maintain its life. -Please avoid water entering from the switch button or charging port with gap. Package Included:  1 x 12x leds high power flashlight 1 x USB charging cable 1x User manual
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