Five modes: (1) Dynamic (High): 2 hours / 700lm (2) Normal (Middle) – 5 hours / 300lm
(3) All Night (Low) – 15 hours / 100lm
(4) Hyper Constant – 10 hours / 850lm (5) Flashing – 100 hours / 100lm. Replaceable and rechargeable internal battery; comes with USB cable.• High Power up to 850 lumens headlight
• Wide beam and more powerful, providing safety and visibility while riding even at high speed
• Cartridge battery – Super easy and safe to change battery on your own
• USB-rechargeable high capacity battery – 3100mAh
• Charging time: max 6 hours via Micro-USB and max 3 hours with the optional charging cradle
• Battery indicator on the switch
• Lens design provides side-visibility