Put this little bright spot anywhere-your belt, your backpack, your seatpost-and ride on. The Flashback is your go-to savior, packing a mighty "I'm here!" punch to keep you visible on the streets. With its belt clip, you can literally clip it on just about anything, and its compact size makes it a total no-brainer for keeping your ride safe and your street-cred high. Features: Compact, bright, and waterproof Built-in fabric belt clip makes it a clip-anywhere taillight option (seatpost mount included) 2- to 20-hour runtime, depending on mode Micro USB rechargeable (cable included) Tested and approved for the following Specialized helmet models: Align, Ambush Comp, Chamonix, Propero II, Echelon II Run times: 2 hours (Steady Mode) (10 lumens) 4 hours (Power Flash Mode) (20 lumens) 6 hours (Disco Flash Mode) (14 lumens) 20 hours (Eco Flash Mode) (5 lumens) Specifications: Brightness: 20 Lumens Battery Type: Rechargeable (Micro USB) Run Time: 2 - 20 Hours Beam Color: Red Color: Black Weight: -