HL40R is a rugged, rechargeable, focusing Fenix head torch with a built-in 2000 mAh Lipo battery (charging cable supplied), enabling the headlamp to offer exceptional performance from compact dimensions. HL40R features a burst output of 600 lumens, constant max output of 300 lumens and dual switch operation with 2 operating modes. General mode offers Low - Mid - High outputs and is accessed via the large right hand button. Functional mode offers Reading and SOS outputs and is accessed via the smaller left hand button. The switches can be locked out by the user to prevent accidental operation. A twist of the lamp head focuses the beam from spot to flood, and the head is angle adjustable through 60 degrees for perfect beam alignment. A battery meter (4 LED's) is built into the lamp unit to indicate both remaining battery level in use and charge status while charging with the supplied micro USB cable. The newly designed split head band covers a wide area for the ultimate in comfortable use. Completely weather proof, Fenix HL40R can be used in the most extreme outdoor conditions. IMPORTANT: Please recharge the battery every 4 months to maintain battery health. Fenix HL40R performance: General mode: Eco: 30 lumens (50 hrs) - 30m beam Low: 70 lumens (22 hrs) - 46m beam Med: 130 lumens (11 hrs) - 64m beam High: 300 lumens (4 hrs 30 min) - 96m beam Burst mode: 600 lumens (1 hr 20 min total) - 147m beam Functional mode: Reading: 4 lumens (200 hrs) - 10m beam SOS: 30 lumens (100 hrs) - 30m beam