Super Bright:This powerful Clip on Running Light generates brilliant,long lasting beam of LED light with 450 lumen in high lighting mode. There are 5 modes including High Spot Light,Medium Spot Light, Low Spot Light, Flashing Red and Blue Light and SOS Spot Light signal with International Morse Code. Rechargeable:300mAh Lithium Battery makes this Clip on Light working as long as 7.5 hours at Low Flood Light Mode while 2.5 hours for High Flood Light Mode,4.5 hours for Medium Flood Light Mode,24 hours For Flashing Red and Blue Light and 12 hours for SOS Flood Light.It would be fully charged from 0 to 100% in 2 hours with USB-Micro cable on any devices.