2015 Armytek Wizard V2 1050 Lumens (1200 LED lumens) Brightest Rechargeable Headlamp Bicycle Headlight Amazingly Bright: 1050 lumens brightness powered by only one 18650 Li-Ion battery Versatile - 6 brightness settings; 1050 lm (1h 30min), 420 lm (3h 30min), 200 lm (8h 30min), 35 lm (48h), 2 lm (18d), 0.2 lm(100d) Lightweight - weight at 2oz without battery and 3.5 oz with battery. Rechargeable - Rechargeable 18650 battery and charger included Highly durable and reliable - 10 years warranty service