Bright yet Lightweight Headlamp Versatile and reliable, the Fenix HM50R v2.0 emits up to 700 lumens, and is an ideal headlamp for joggers, campers, hikers, runners, backpackers, and more. Effortlessly switch from white light to red light to preserve the night vision for map reading and navigation or flashing red to send a warning signal. Need a handheld flashlight instead? Just slide the flashlight out; It transforms into a 90 -degree angled flashlight that you can clip to your pocket, backpack or cap. USB-C Rechargeable Powered by the included 16340 rechargeable Li-ion battery, the HM650R v2 can run for up to 42 hours on the lowest mode while maintaining the emergency flashing red light for up to 120 hours. When the battery is low, simply charge the light through its built-in USB-C port using the included cable. Comfortable & Durable Weighing less than three ounces including battery and headband, the HM50R v2.0 is a small and lightweight headlamp. You can comfortably wear it for hours with its highly reflective and breathable headband. Made from durable materials, the light itself can withstand extreme temperatures ranging from -31 to 113 degrees Fahrenheit. Given an IP68 waterproof rating, this headlamp can tolerate any harsh outdoor environments.