Versatile safety lighting at a great priceA new addition to CatEye’s Wearable Lighting range, the compact Wearable Mini provides versatile additional safety lighting to enhance your visibility day or night, at a very affordable priceKey Features:Powered by 1 x 2032 battery,Up to 550 hrs run time,Weight: only 12g,Mode memory function,Long press ON/OFF,Mode: Output, Runtime,Constant: 60 hrs,Fast Flashing: 140 hrs,Battery Saving Slow Flash: 550 hrs,. Supplied with: Clip | O-ring x 2 for seatpost / helmet mounting | Magnet | Battery – CR2032 x 1