"This headlamp is powerful and rechargeable for all your demanding outdoor activities. This headlamp offers you simultaneously a close vision and a long distance vision. Thanks to its 2 buttons, it is possible to independently activate a second light source without losing the first. The particularity of this model is to run off hybrid energy - it is both USB rechargeable and usable with AAA batteries. The FF210R uses Continuous Power for all its settings when used with the rechargeable battery: lighting output remains constant for the duration of the battery’s charge. Its total power mode will give you 210 lumens and a range of up to 74 meters. With a weight of only 103 grams this lamp has an excellent efficiency/compactness ratio. Product Features: - Weight: 103g - Charge/discharge indicator and visible battery gauge - Minimum 300 battery cycles. - 3 AAA batteries (not included) inserted in the case (included) can replace the rechargeable battery. - USB/micro USB cable supplied. - Individual identification number.