Item Feature:Perfect for shooting at night, diving or other ray less environmentPower: 2.8WLuminous flux: 300LM30M waterproof (30M water pressure test)Adjustable 3 mode: HI-LOW-SOS1000mAh battery in HI mode work time is 90min, in LOW mode work time is 4 hours, and in SOS mode is 6 hoursCan be used

Item Feature:Perfect for shooting at night, diving or other ray less environmentPower: 2.8WLuminous flux: 300LM30M waterproof (30M water pressure test)Adjustable 3 mode: HI-LOW-SOS1000mAh battery in HI mode work time is 90min, in LOW mode work time is 4 hours, and in SOS mode is 6 hoursCan be used together with head band or chest bandCompatibility: for GoPro Hero 1, 2, 3, 3 , 4Package Includes1 X LED FILL LIGHT1 X USB POWER CHARGING CABLE (81CM)1 X BUCKLE BASIC MOUNT1 X LONG SCREW1 X PLASTIC WRENCH