It is also much better than the ProTac series Streamlight.
This thing can powerfully light over 300 meters, which in USA speak is about 320 yards.
IT LIGHTS OVER 3 FOOTBALL FEATURES.
• LED type: CREE Q5
• LED power: 5 watts
• Lens: Reinforced focus-type lens
• LED life: 100.000 hours
• Lighting range: Up to 300 m with its special lens
• Lighting (emitting) color: White
• Reverse polarity protection
• Complies with IPX-8 standard
• Body color: Black
• Main body: Military type, hard anodized aluminum alloy and small size and light-weight
• Switch: Click-type, 3 switch modes
• Mainboard: Stand-alone
• Type of lamp socket: Pure copper
• Driver circuit: MCU programed drive circuit
• Gross weight: 65 gr (without battery)
• Dimensions: 90mm x 25 mm x 20 mm
Here is a little video of the assembly: