Description Ergonomic and comfortable, thanks to the AIRFITA(R) headband (Petzl patent):- innovative, streamlined design, with semi-rigid headband and ultra-thin lamp body. The battery pack is in the rear, to distribute the weight of the headlamp over the entire head, making it balanced and comfortable enough to be almost imperceptible- water-repellent headband, resists sweat and rain. The thin headband considerably reduces the area of contact and improves air circulation during dynamic activities- quick and easy rear adjustment Optimal visual comfort:- lightweight and powerful: 500 lumens at 2.7 Oz- multiple LEDs provide homogeneous light distribution- two beam types (flood or mixed) and many white brightness levels, to meet different user requirements: proximity lighting, movement and distance vision- three lighting levels, easily and quickly accessible with a single button Rechargeable:- CORE battery charges via micro USB port- HYBRID CONCEPT design: IKOA(R) CORE comes with the CORE rechargeable battery and also works with three standard batteries. The lamp detects the energy source and adjusts lighting performance (IKOA(R) CORE with CORE rechargeable battery= 500 lumens, IKOA(R) CORE with standard batteries = 350 lumens) Versatile and easy to use:- can be mounted in various ways, depending on use: worn on the head or around the neck, placed on a table, attached to a tent pole or tree...- storage pouch allows it to be transformed into a lantern- reflective components on rear make the user visible at night- battery charge indicator when lamp is turned on or off, for checking remaining battery life- two LOCK functions to avoid accidentally turning it on- can be flattened in its minimal pouch to reduce bulk- compatible with all Petzl helmets Specifications Light output: 500 lumens (ANSI-FL1 STANDARD) Weight: 2.7 Oz Beam pattern: flood or mixed Energy: 1250 mAh CORE rechargeable battery (included) Charging time: 3 h Battery compatibility: alkaline, lithium or Ni-MH rechargeable Watertightness: IPX4 (weather-resistant) Certification(s): CE References References E104BA00 Color(s) black Guarantee Lamp: 5 years; CORE rechargeable battery: 2 years or 300 charging cycles Inner Pack Count 1