The Streamlight Sledge Headlamp is a ruggedized, rechargeable, flood beam headlamp engineered for versatility and performance across industrial and outdoor applications. It features dual power LEDs and provides multiple modes of lighting, including THRO mode that provides a short burst of 1,000 lm when extra brightness is needed. On low, the light provides 100 lm and runs for 13 hours; on medium it provides 300 lm and runs 9.25 hours; and on high it runs 600 lm and runs for 4.25 hours. Powered by the SL-B26 protected Li-Ion USB rechargeable battery pack, it can also operate on two CR123A lithium batteries.