The Nitecore TM03 Tiny Monster is the most powerful 18650 flashlight. Operating on a single 18650 battery, this light is able to produce a burst of 2800 lumens.
Features:

• Utilizes a CREE XHP70 LED
• Driven by a dedicated IMR 18650 battery to emit up to 2,800 lumens brightness
• Ultra-bright dual-mode blaze
• Dual-switch tail cap 
• Four easily accessible brightness levels and memory function for fast boost
• Maximum beam intensity up to 21,000cd
• Extensive runtime up to 30 hours
• 289 meters far throw
• Integrated metal micro textured reflector for optimal peripheral illumination
• A power indicator LED hidden in the tail switch indicates battery power 
• Electric reverse polarity protection
• Temperature regulation and protection
• Anti-rolling design
• Toughened ultra-clear mineral glass with anti-reflective coating
• Constructed from aero grade aluminum alloy
• Robust HAIII military grade hard-anodized
• Waterproof in accordance with IPX-8 (two meters submersible)

Specifications:

• LED: CREE XHP70
• Battery Run-Time:
• 2800 lumens - Short Burst
• 1350 lumens - 45 min
• 550 lumens - 2 hours 15 minutes
• 40 lumens - 30 hours
• Beam Distance: 316 yards / 289 meters
• Beam Intensity: 21,000 cd
• Battery type supported: Dedicated IMR 18650 (The TM03 can also operate on 18650 or 2x CR213A batteries, but will not be able to operate in Turbo Mode.)
• Dimension: Length: 6.25” (159mm)
• Head Diameter: 1.57”(40mm)
• Tail Diameter: 1.18” (30mm)
• Weight: 7.52oz (213g)(without battery)
• Waterproof: IPX-8 (2 meters submersible)

Contents in Package: Nitecore TM03 Flashlight, 1x Dedicated IMR18650 Rechargeable Battery, O-ring, and Holster