The Jetbeam BA10 utilizes one AA battery featuring a Cree R5 LED with an output of 160 lumen.

Modes: 2 Modes: High (160 Lumen), Low (12 Lumen)
Run Time: High - 75 minutes, Low - 30 Hours
Battery Type: One AA Battery
Size: 23mm x 107mm
Weight: 60g (without battery)
Finish: HAIII Hard Anodized Mil-Spec Finish
Glass: Hardened Glass Lens with Anti Reflective Coating
Reflector: Machined Aluminum Reflector
Waterproof: IPX-8 Standards (2 Meters)
Accessories: Pocket Clip