High end combo pack perfect for road and trail use. High end combo pack perfect for road and trail use. Headlight: Boost mode unleashes maximum LED output 4 light levels plus one Daylight Flash mode Run times up to 18 hours Low battery indicator Tail light: Powerful 80 lumen, 16x LED tail light 3 light levels plus 3 Daylight Flash modes Mode memory returns to last used setting Amber side lighting for additional safety and visibility Includes LED headlight, Internal Li-Ion battery, handlebar mount, USB charging cables, and Easy off seatpost tail light strap mount