Uses Cree XHP 50 LED with a lifespan of 50,000 hours
Powered by two 18650 rechargeable Li-ion batteries or four 3V CR123A Lithium batteries 161mm (6.3in.) length×50mm (2.0in.) head diameter
240 grams (7.65oz) excluding batteries
Digitally regulated output maintains constant brightness
Reverse polarity protection, to protect from improper battery installation
Low-voltage reminder indicates when battery replacement is needed
Dual tail button switch for simple and fast operation
Made of durable aircraft-grade aluminum
Premium Type III hard-anodized anti-abrasive finish
Toughened ultra-clear glass lens with anti-reflective coating