The Blackburn Grid Front and Rear Light Set is for commuters or cruizers alike. This set offers four mode options allowing you to choose from intense power or expanded run-time depending on your needs. This is a complete set of front and rear lights that's perfect for open roads, trail blazers or the everyday commuter. It offers bounds of rechargable power and visibility. the Blackburn Grid Front and Rear Bike Light Set is a must have for low-light travel.