VastFire 2000 Lumens 4X XM-L2 & 2X Blue LED Photograph Diving Flashlight Scuba Outdoor Sports 26650 Battery Charger (Blue) THREE OUTPUT LEVELS: White high &gt; White low &gt; Blue; Reflector: no hotspot design , no reflector MATERIAL: Durable aircraft-grade aluminum; Lens: 6mm Polycarbonate Board; Angle of light beam: 120 WATERPROOF: 100 meters underwater; Color temperature: White LED: 5000k; LED Flashlight: 610-630 nm wavelength SURFACE TREATMENT: Premium Type III hard-anodizing; Bulb: White XM-L2 LED*2(Max 1000 Lumens); Blue / Red XP-E R5 LED*2 & Purple XP-E UV LED*2 (Max 600 Lumens) RUNTIME: High:60-120min;Low:240 min;blue:210 min;Operation Instruction: Successive switching ON-OFF within two seconds to cycle through high, low, different color light