The Streamlight ProTac HP-X and HP-X USB flashlights provide 800 lm and 105,000 candela with a beam distance of 648m. Both lights feature a multi-function tactical tail cap switch, programmable lighting modes, anti-roll face caps, and unbreakable pocket clips and holsters. The series is impact-resistant to 2m and IP68-rated. The HP-X includes two CR123A lithium batteries for users who prefer disposable power sources and offers 24 hours of runtime. The HP-X USB uses a Li-ion USB rechargeable battery pack with an integrated USB-C charge port for on-the-go charging. The USB model provides up to 31 hours of runtime with a recharge time of five hours.