The HM50R V2 uses an included 16340 battery to power the XP-G3 S4 LED which shoots up to 700 lumens out to 115 meters from your head, clipped to a shirt or bag or belt, or in your hand. You can recharge it using a USB-C cord.

Features:

• Cree XP-G3 S4 white light LED with a lifespan of 50,000 hours
• Includes a 16340 rechargeable LI-ion battery
• Quickly detachable to use as a right angle flashlight
• White and red light
• USB Type-C charging port for easy and fast charging
• Lockout function avoids accidental activation
• Made of durable A6061-T6 aluminum
• Premium type HAIII hard-anodized anti-abrasive finish

Specifications:

• Output modes:
• Low: 30 lumens/42hr; 75ft (23m); 129cd
• Med: 130 lumens/8hr; 161ft (49m); 596cd
• High: 400 lumens/3hr; 282ft (86m); 1849cd
• Turbo: 700 lumens/1hr*; 377ft (115m); 3350cd
• Red Steady: 5 lumens/60hr; 20ft (6m); 9cd
• Red Flash: 5 lumens/120hr; 20ft (6m); 9cd
• Impact Resistance: 6.6ft (2m)
• IP Rating: 68, dustproof/waterproof to 2m
• Dimensions:
• Length: 2.52” (64mm)
• Width: 1.42” (36mm)
• Height: 1.26” (32mm)
• Weight: 2.75oz (78g)(including battery and headband)
• Battery Type: One included 16340 rechargeable li-ion battery
• Included: ARB-L16-700P Li-ion battery, USB Type-C charging cable, spare O-ring

* = Turbo runtime is measured in a laboratory setting. Actual runtime may vary.