From the manufacturer

The ideal rechargeable headlamp to extend your dynamic outdoor activities. Casting 625 lumens, the ACTIK CORE provides powerful and comfortable lighting to go with you when you’re running, trekking, or mountaineering. Its phosphorescent reflector makes it easy to find in the dark. Red lighting keeps you from blinding those around you and a reflective headband allows you to remain visible. The ACTIK CORE comes with the CORE rechargeable battery and also works with three standard batteries, with its HYBRID CONCEPT design.

Features

• Lightweight, compact and bright:
  - 625 lumens at 88 g
• Two beam patterns (flood or mixed) and several white brightness levels meet the need for high-performance lighting in dynamic outdoor activities: proximity or distance vision and rapid movement
  - red lighting preserves night vision and prevents members of a group from blinding each other
  - reflective headband for night visibility
• Rechargeable and easy to use:
  - CORE battery charges via micro USB port
  - HYBRID CONCEPT design: ACTIK CORE comes with the CORE rechargeable battery and also works with three standard batteries
  - single button for quick and easy selection of brightness or light color
  - detachable, washable headband
  - LOCK function to avoid accidentally turning it on during transit or storage
• Compatible with mounting accessories that allow the lamp to be attached to any kind of helmet, or to a bicycle

Specifications

• Brightness: 625 lumens (ANSI/PLATO FL 1)
• Weight: 88 g
• Beam pattern: wide or mixed
• Energy: CORE rechargeable battery (1250 mAh / 3.6 V / 4.5 Wh) or 3 AAA/LR03 batteries (not included)
• Charging time: 3.5 h
• Battery compatibility: alkaline, lithium or Ni-MH rechargeable
• Certification(s): CE
• Watertightness: IPX4 (weather-resistant)

Lighting performance with rechargeable CORE rechargeable battery (as defined by the ANSI/PLATO FL 1 protocol)

Lighting performance with 3 AAA/LR03 batteries as defined by the ANSI/PLATO FL 1 protocol