With the Trail Speed 5R you get the ultimate headlamp from Silva, combined with a slim and lightweight 2.0 Ah (14.8 Wh) battery. The R stands for Run and this is the ultimate headlamp for runners who want to optimize every gram. The battery can be attached to the headband with the included headlamp battery holder, and it weighs only 85 grams. The headlamp unit and battery combined weighs only 178 grams. 2.0 AH BATTERY Trail Speed 5R comes with a slim and lightweight 2.0 Ah (14.8 Wh) rechargeable battery which is slim and lightweight. The burn time is 10 hours on minimum mode, 6 hours on medium mode and 3 hours on maximum mode. The lightweight battery is placed in the battery holder on the back of your head. There is a built-in low battery warning and reserve mode, which automatically adjusts the light to a setting that ensures you get back home safely with 30 minutes of guaranteed light. 2 ACCESSORIES INCLUDED The Trail Speed 5R comes with 2 accessories: Battery holder and Cable Guide. LOADED WITH LIGHT FEATURES Trail Speed 5R features Silva Intelligent Light which is a unique combination of a long reach spotlight and a close flood light. This customization of the light results in less head movement and a clear view of near as well as far obstacles, and you gain the balance and confidence it takes to move fast and perform better. The ingenious Silva Flow Light feature takes the light optimization even further by providing seamless tuning of the light pattern by simply tilting the headlamp. A tilt downwards makes the beams wider and when tilting the headlamp forward, the light reaches longer. COMFORT & WEIGHT Weight is essential when you want to push your limits to the next level. The flexibility of the Trail Speed lets you optimize the weight for your specific needs. The ergonomic battery holder is designed to hold the battery steady on the back of your and the wide anti-slip headband and ergonomic back plate ensure a comfortable fit even during long and rough runs.