30+ hours of runtime(Constant)/100+ hours of runtime(Flashing)
Battery:AAA*2pcs
On or off, the New Reflex taillight works to make sure you are always visible thanks to both active and passive; safety technologies. The "active" safety refers to our standard tail light technology, perfected over years of; development. The "passive" safety component refers to our outstanding CPSC/BS/ECE/JIS reflector design; that has exceeded highest governmental standards for many years. The 5 super-bright modes, over 180; degrees of visibility, and various mount options will help you stand out from the crowd and guarantee you'll; be noticed at night!