Here's what other sites are saying:
Petzl Camp & Hike Tactikka Core Headlamp Black E099HA00. It is multi-beam guaranteeing comfortable proximity lighting and strong performance lighting for rapid movement and distance vision. It also has red lighting to ensure stealth. TACTIKKA CORE comes with the CORE rechargeable battery and is also compatible with three AAA/LR03 batteries (not included) thanks to the HYBRID CONCEPT design. Mounting accessories allow the lamp to be attached to any kind of helmet.
For the workshop and small jobs, the Petzl Tactikka Core headlamp offers 350-lumen brightness and multibeam for comfortable proximity and strong performance lighting for rapid movement and distance.
While the Petzl's Tactikka Core Pro Headlamp comes with the convenience of a rechargeable battery, should you worry about that battery dying mid-trip this headlamp also accepts three batteries. That being said, on the Tactikka's autonomy setting the battery will last for 160 hours--nearly a week of life, should you leave the headlamp on the entire time. That handy feature not only reduces battery waste, but will save you money.
Petzl Tactikka Core Headlamp - The Petzl Tactikka Core Headlamp offers 350 lumen brightness. It is ideal for close-range work, as well as for moving around. Featuring a mixed beam, it ensures wide, focused or red stealth lighting. A Hybrid headlamp that comes with Core, a battery that is rechargeable via standard USB port.
Features of the Petzl Tactikka Core Headlamp Powerful (350 lumens), versatile headlamp Headlamp comes with the CORE rechargeable battery, for an economical and sustainable solution, with 300 guaranteed charging cycles TACTIKKA CORE is a Hybrid headlamp: it comes with the CORE rechargeable battery, and is also compatible with three AAA/LR03 batteries Two beam patterns (wide or mixed) and several lighting modes meet the need for High-Performance lighting when working in the dark: proximity or distance vision and movement Red lighting preserves night vision and stealth Headband equipped with emergency whistle
Current Retail: $69.95
Historic Range: $41.93-$69.95