USB Rechargeable Cycle Horn with Light with USB Rechargeable Cycle tail light LED Front Rear Light ComboA USB Rechargeable Cycle Horn with Light and USB Rechargeable Cycle Tail Light LED Front Rear Light Combo is a practical accessory for cyclists, providing enhanced visibility and safety during day and night rides. Here's an overview of its features: Key Features: USB Rechargeable Cycle Horn: Horn Function: Typically designed with loud, attention grabbing sounds, the horn helps alert pedestrians, vehicles, or other cyclists of your presence.