Nathan's newest runners' light is also their most versatile! The lightweight & powerful 250-lumen Luna Fire 250 RX Chest/Waist Light features a comfortable strap for secure placement on your chest or waist, plus you can easily adjust the beam angle up and down. As an added bonus, you can remove the light and clip onto your running shorts, jacket, hydration pack...anywhere, really...to customize the exact placement and beam angle of light. Those once-scary nighttime roads, paths and trails won't know what hit them Lightweight, versatile runners' chest/waist light 250 Lumens LED spotlight Includes a comfortable chest/waist strap Removable light clips on anywhere Specs LED: 250 max Lumen main LED Battery: Lithium-ion Polymer Rechargeable via USB Burn Time: 25+ Hours Water Resistance: IPX4 – Weather resistant Luna Fire 250 RX Run Chest/Waist Light Usage Instructions - Download the PDF Output: 33 Lumens ( Low) 100 Lumens (Med) 200 Lumens (Hi) 250 Lumens (Boost) 100 Lumens (White/Strobe)