DivePRO Night King Dive Torch Flashlight Spearfishing Torch 11 degree beam angle, good choice as primary light or backup light for scuba diving, cave diving, recreational diving. Cree XHP70.2 LED with a lifespan of 50,000 hours, max 2500 lumens output. Powered by 2*26650 rechargeable battery, 3.5 – 4 hours runtime. Regulated power maintains constant current output. Over-heat protection function, preventing the high temperature from influencing the normal use. Reverse polarity protection Is to prevent from installing battery wrong Twist on/off switch, safe and reliable operation way. Three o rings design is to ensure its waterproof function underwater. The crust is made of AIT6061-T6 Aircraft-grade aluminum. Premium type III military hard-anodized finish is for abrasion and corrosion resistance. 5mm toughened glass lens can stand higher water pressure resistance. Ultra Speed Quick Charger – Quick charging mode requires a minimum of 20W USB-A Power Adapter. Press A and B buttons respectively, and switch the indicator from 501ma(Normal Mode) to 1000ma(Quick Charge Mode). The charging speed will be doubled. ANSI/NEMA FL1 Single Mode Output 2500LM Runtime 3.5-4 hrs Intensity 23000cd Beam Distance 350m Drop Resistant 1.5m Waterproof IPX-8, underwater 150m Working voltage 6.1V-9V Dimension 52.8mm(head dia.)* 32mm(Body Dia.)*220mm(Length) Net weight 352g ( excluding battery) Stander Package 3 spare O-rings, lanyard, lubricating oil, user manual and PVC box