Fenix TK20R is a Micro USB rechargeable flashlight that is designed for tactical applications. Features are dual layer body, inner waterproof treatment. This compact but hardy flashlight is ideal for tactical application, industrial tasks and hunting. 

Product Details 

• Uses Cree XP-L HI V3 LED with a lifespan of 50,000 hours
• Powered by one 18650 rechargeable Li-ion battery, and CR123A Lithium battery can be used in emergency 
• 151.5 mm length x 25mm body diameter x 34mm head diameter
• 141 grams (excluding battery)
•  Digitally regulated output maintains constant brightness 
• Low-voltage warning reminds when battery replacement is needed 
• Reverse polarity protection, to protect from improper battery insertion 
• Overheat protection to avoid high temperature of the surface 
• Tactical tail switch for momentary on and constant activation
• Functional side switch for output selection 
• Made of durable aircraft-grade aluminum 
• Premium type III hard-anodized anti-abrasive finish 
• Toughened ultra-clear glass lens with anti-reflective coating
• Size: 5.96" x 0.98" x 1.33"
• Weight: 4.97 oz (excluding batteries)
• Battery Type: One 18650 rechargeable Li-ion battery