Super Bright 17000 Lumen 10x CREE XM-L T6 LED Rechargeable Waterproof Tactical 3 Modes Titanium LED Lamp Light Powerful Flashlight Torch for Hiking, Camping, Hunting and Other Indoor or Outdoor Activities Made of high quality 6061T aluminum alloy, this flashlight is sturdy and durable enough for long time daily using Internal wiring applies the high efficient booster circuit, and can utilize the batteries in the largest extent. The body of this flashlight is built of aircraft-grade aluminum alloy, and it has a very solid construction. Waterproof, but don't put it into water long time.Hard-Anodized finish; Anti-abrasive, free-scratch, shock-proof. Emitter Type: 10pcs XM-L T6 LED LED Lifespan: 100, 000 hours Material: High quality Aluminum 3 Modes Arrangement: high &gt; low &gt; strobe Output brightness: Can come to above 10000 Lumens[lm] Light Color:White.Battery Configuration:4x 18650 battery.Switch Type: Tailcap (middle)