The ProTac HL 6 flashlight is a powerhouse of illumination, providing 5,300 lumens on high. It uses two of Streamlight's 5000mAh SL-B48 USB-C rechargeable protected lithium-ion battery packs, offering sustained brightness and unmatched run times.FeaturesUses two (2) Streamlight SL-B48 protected Li-Ion USB-C rechargeable battery packsFeatures TEN-TAP programming - Choice of three user-selectable programs:1) high/strobe/low 2) high only 3) low/medium/highHigh: 5,300 lumens; 80,000 candela, 566m beam; runs 2 hoursMedium: 1,500 lumens; 23,000 candela; 303m beam; runs 3.75 hoursLow: 450 lumens; 6,700 candela; 164m beam; runs 12.5 hoursStrobe: runs 4 hoursIPX7 waterproof to 1 meter for 30 minutes; 1-meter impact resistance testedDurable, anodized aluminum constructionAnti-roll head prevents the light from rolling away when placed on a flat surfaceRubber sleeve provides thermal insulation and a sure gripLength: 10.5 in (26.6 cm); Weight: 1.3 lbs (590 g) with batteries