The Fenix HL55 headlamp offers four brightness levels plus 900-lumen burst mode and 150-hour runtime from one 18650 battery or two CR123A batteries. Neutral white light means superior definition and penetration in high-humidity environments. Four modes of output plus a "Burst" mode High: 420 Lumens Mid: 165 Lumens Low: 55 Lumens Eco: 10 Lumens BURST: 900 Lumens Features Utilizes Cree XM-L2 T6 neutral white LED with a lifespan of 50,000 hours Uses one 18650 or two CR123A batteries 84mm (Length) times; 46mm (Width) times; 48mm (Height) 115 -gram weight (excluding batteries) Instant Burst mode All-function switch in the head for easy and fast operation ARE-C1 Battery Charger Features •Two independent charging channels. Charge 2 rechargeable 18650 batteries at the same time •Two LED indicators displays charging progress for each battery •Input: 100-240 V (AC), 50/60Hz, 200 mA (max) 12V-24V (DC), 1000mA (max) •Output: 4.2V (DC), 2 x 1000 mA ARB-L2 rechargeable 18650 battery •2600 mAh large-capacity battery with outstanding performance •The battery has triple over-heat protect for safety and reliability •Built in over-charge, over-discharge protection circuit to ensure the maximum performance of the battery •The circuit board has front and back protections to make it more impact-resistant and reliable •3.6 Volt •Charging Current: Recommended A1, maximum 2A This bundle contains, - Fenix HL55 900 Lumenheadlamp - Fenix ARE-C1 Battery Charger - 2 X Fenix ARB-L2 protected 18650 battery - 4 X EdisonBright CR123A Lithium batteries.