Frankensled - Deluxe Backcountry 8.4 Flashlight System, LED high power riding light, Gopro compatible 840 Lumens | 2.5 Hours on high | Waterproof | Fully Gopro compatible | GoPro compatible bases (3), stickers (3) , and arm (2) included | 300 Feet of visibility | 12v and 110v charging system included | 2 - High power 3100 mAh battery included | Spare switches and seals included | Holster included | 100% Complete kit Our flashlight produces 840 luminance and has the highest waterproof rating of IPX8, which means that the flashlight can withstand 6 of submersion for 30 minutes in water. The 6061 aluminum casing is anodized black, and the internals are rugged enough to resist harsh vibration and survive drop impacts of up to 1.5 meters (5). With the battery installed, this amazing flashlight weighs only 165 grams (5.8 oz). To fully utilize the potential of this flashlight, we provide you with all the clips and adaptors to mount our flashlight onto your helmet, and we're GoPro compatible! With our cutting edge technology, you will get 2.5 hours on high, roughly 1.5 days on low, and about 300 feet of usable visibility on high.