Serious lumen output combined into one simple combo pack. Features: Our Most Powerful Combo Pack Headlight: 950 Lumens* Tail Light: 150 Lumens* Remote Switch Compatible USB Rechargeable True 950F Solid Modes: High (700 Lumens): 1.5 hrs, Medium (350 Lumens): 3 hrs, Low (180 Lumens): 5 hrs Flash Modes: *Daytime Flash (950 Lumens): 45 hrs, Medium Flash (450 Lumens): 18 hrs, Low Flash (150 Lumens):20 hrs, SOS: 24 hrs Weight: 125 Grams with Bracket User Replaceable Battery: SAMSUNGA(R) 1-Cell Li-Ion, 2600 mAh Spectra 150 Solid Modes: Overdrive (80 Lumens): 1.25 hrs, High (50 Lumens): 2 hrs, Low (15 Lumens): 6.5 hrs Flash Modes: *Daytime Flash (150 Lumens): 25 hrs, High Flash (80 Lumens): 7 hrs, Medium Flash 1 (35 Lumens): 15 hrs, Medium Flash 2 (35 Lumens): 8 hrs, Low Flash (15 Lumens): 40 hrs, Auto Safe Mode Extends Runtime an Additional 45 mins Weight: 75 Grams with Bracket Battery: Lithium Polymer