Weight: 5.96 oz; Battery: (included)Lithium; Light Features: LED l Water Resistant l Batteries Included l SOS Strobe l Rechargeable l High: 510 Lumens for 4h 30m l Medium: 200 Lumens for 7h 25m l Low: 20 Lumens for 63h; Other Info: CREE XP-L V5 LED. 3000mAh high capacity lithium polymer battery. 360 degree rotate focus. USB direct charging. Impact resistant. Partial pressure headband design divide's the head lamp's weight for increased comfort. Boxed.