Streamlight ProTac HL 5-X - Includes (4) CR123A lithium batteries and wrist lanyard - Box - Black Emergency Services Knife As the name suggests

As the name suggests

Auto Battery Check Indicator: Flashing reticle upon start-up

high performance materials and manufacturing

) high/strobe

precision-machined

Streamlight ProTac HL 5-X - Includes (4) CR123A lithium batteries and wrist lanyard - Box - Black Emergency Services Knife As the name suggestsThe super bright 3,500 lumen full size ProTac HL 5 X flashlight is available two ways: includes 4 x CR123A non rechargeable batteries. This MULTI FUEL innovation ensures you'll always have a beam when you need it. Multi Fuel Can use two rechargeable 18650 USB batteries (Not INcluded); or four CR123A lithium batteries (Included) Features TEN TAP Programming Choice of three user selectable programs: 1) high strobe low 2) high only 3) low medium high