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For first use, pls activate flashlight by continuously pressing power button 5 times within 1 seconds, then to charge it.
Super Bright Flashlight: The brightness of led flashlight 10000 Lumens is high power flashlight, very bright, perfect for hunting, camping, hiking, or any outdoor activities. Tips: when insulation mode is on, circuit is disconnected. Any operation can not be done. So press 5 times within 1 seconds to activate it.Thanks.