Lightweight rechargeable headlamp with multi-beam. Featuring an AIRFIT headband, an ultra-thin lamp body and an energy source worn in the rear, the headlamp is balanced and comfortable enough to be imperceptible. � Light output: 500 lumens (ANSI-FL1 STANDARD) � Weight: 79 g � 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)