Our most powerful combo pack to date. Packing 505 lumens in the headlight and 60 lumens in the tail light, you will be covered from all angles. Features Include: 505 Lumen Headlight 60 Lumen Tail Light USB Rechargeable Easily Mounted To Any Bike Rack Compatible Tail Light Runtime Headlight: 2.25-11.5 hrs depending on setting Runtime Tail Light: 10 hours max