MaterialHousing; Anodized Aluminum, Lens; Tempered Optical GlassLamp45 x XML LED + 10 x XPE-Red LEDLumens33,000 Lumens Full PowerColor Temperature6500KBeam Angle160°BatteriesRechargeable Lithium-Ion 18650Ã4 Battery PackBurn Time1.5-Hours (level IV), 3-Hours (level III), 6-Hours (level II), 15-Hours (level I)Depth Rating330' (100 meters)Light Modes33,000 Lumens (Level IV), 16,500 Lumens (Level III), 8,250 Lumens (Level II), 3,300 Lumens (level I), Red Color Mode 1,200 LumensDimensions(L x Dia.) 5.7" x 3.35" (144.6 mm x 85 mm)Weight49 oz. (1391 g) w/BatteryBuoyancy-21 oz. (-597 g)Attachment or HandleHandheld, Ball Mount, Lantern Handle