The Streamlight Pro-Tac HL-X USB is a versatile LED light that delivers 1000 lumens on high and can operate on rechargeable USB batteries or CR123A batteries. Included with the light is a USB cord for convenient charging.Key FeaturesMulti-Fuel Capability: Compatible with rechargeable USB batteries or CR123A batteries for flexible power options.Durable Construction: Made from aircraft-grade aluminum for enhanced durability and resilience.High and Low Settings: Features a high setting of 1000 lumens and a low setting of 65 lumens to suit various lighting needs.Included Accessories: Comes with one 18650 USB lithium battery and a USB charging cord for immediate use.One-Handed Operation: Allows for momentary, variable intensity, or strobe mode operation with ease.