LEDLENSER H14R.2 Headlight I purchased this for work, but I didn't use it much. I used it 2 or 3 times and then stored it. * 【Luminous Flux】Boost: 1000lm / Power: 450lm / Low: 60lm * 【Beam Distance】Boost: 300m / Power: 200m / Low: 70m * 【Runtime】Boost: 6h / Power: 12h / Low: 35h * 【Battery】Dedicated rechargeable battery or AAA alkaline batteries x 4 【Charging Time (approx.)】8 hours * 【Protection Class】IPX4 (splash-proof) * 【Weight】Approx. 340g (including batteries) 【Dimensions (mm)】W80 x H76 x D73 (head part) * 【Accessories】Dedicated rechargeable battery, extension cable An LED headlamp with a brightness of 1000lm and a beam distance of up to 300m. Features: Rechargeable Type: LED Light Brightness (Lumens): 300-499lm Brightness (Lumens): 1000lm~ Thank you for your consideration!