The Cateye Wearable Mini Rear Light is versatile safety lighting at a great price.Cateye Wearable Mini Rear Light FeaturesA 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 pricePowered by 1 x 2032 batteryUp to 550 hrs run timeWeight: only 12gMode memory functionLong press ON/OFFCateye Wearable Mini Rear Light SpecificationsMode: Output, RuntimeConstant: 60 hrsFast Flashing: 140 hrsBattery Saving Slow Flash: 550hrsSupplied with: Clip | O-ring x 2 for seatpost / helmet mounting | Magnet | Battery – CR2032 x 1