• Cree XM-L (U2) LED with a lifespan of 50,000 hours
• Uses two 3V CR123A batteries (Lithium) or one 18650 rechargeable battery (Li-ion)
• 150mm (Length) x 25.4mm (Diameter) x 40mm (Head)
• 152.6-gram weight (excluding batteries)
• Digitally regulated output - maintains constant brightness
• Reverse polarity protection, to protect from improper battery installation
• Push button switch with momentary-on function
• Made of durable aircraft-grade aluminum
• Premium Type III hard-anodized anti-abrasive finish
• Toughened ultra-clear glass lens with anti-reflective coating

Notice: The above-mentioned parameters (tested in lab using quality CR123A primary lithium batteries) are approximate and may vary between flashlights, batteries, and environments.