The Nebo Einstein 1 500 Lumen Flex Headlamp is a low-profile, compact 1 500 lumen headlamp with five light modes featuring flex power, which can alternate between the included Li-ion 18650 2200mAh 3.7v rechargeable battery or two CR123A batteries (not included).

• Compact and lightweight
• Durable ABS plastic
• Smart Power Control (SPC)
• Water-resistant (IPX4)
• Direct-to-Red
• Top-positioned buttons for power and mode selection
• Weight: 45g
• Dimensions: 12.7cm (L) x 5.1cm (W) x 7.6cm (H)
• Accessories: Li-ion 18650 rechargeable battery, one-size-fits-all head strap, and USB charging cable
• Note: Runtime is reduced by about 20% when using 2 CR123A batteries.
• Five light modes: Turbo (1 500 lumens): 30 seconds/64 metres; High (750 lumens): Two hours/35 metres; Medium (250 lumens): Six hours/25 metres; Low (10 lumens): 18 hours/eight metres; Red COB (5 lumens): 12 hours/one metre.