Universal Bicycle Rearview Mirror Convex Deafquip Battery: 1 x built-in lithium

Battery: 1 x built-in lithium battery

or in the car

Adjustable Alarm Levels – Customizable concentration alarm values

Mount Type: Headrest pole mount

Universal Bicycle Rearview Mirror Convex Deafquip Battery: 1 x built-in lithiumThis Bicycle Rearview Mirror is designed to enhance riding safety by providing a clear, wide angle view of the road behind you. With its 360 adjustable convex mirror, it allows cyclists to customize their rear visibility for a safer and more confident riding experience on any type of handlebar. Main Features 360 rotational adjustment for flexible viewing angles Wide angle convex mirror for a broad rear field of view Independent fixed installation on