NITECORE P20 800 Lumen high intensity CREE XM-L2 LED specialized tactical duty Strobe Ready flashlight with Nitecore NL188 3100mAh rechargeable 18650 Battery and 2 X EdisonBright CR123A Lithium Batteries bundle 800 Lumen max utilizing CREE XM-L2 (T6) LED with a lifespan of 50,000 hrs. Dual-switch tail cap designed for tactical use and easy application comes with Impact resistant to 1.5 meters Three selectable modes brings flexibility in operation; optionally available patrol officer specific accessories. STROBE READY button for quick access to Strobe Mode (Patented) Highly efficient circuit offers up to 26 hours of use on low Bundle includes Nitecore NL188 3100mAh rechargeable 18650 Battery and 2 X EdisonBright CR123A Lithium Batteries