The Blinder Link Rear Bike Light is an innovative and powerful light designed to grab the attention of other road users, and be a pleasure to use. Available in two practical mounting options: Blinder Link Rack tackles the problem that using racks can often obscure the riders rear lights, mounting on the back of the rack Blinder Link is an impressive bike light that's simple to use, while being stacked with innovative features that you'll love Features: Be seen from over 1 km Purposeful Mounting Bracket - Blinder Link is available in two specific mounting options, for the rear rack or under the saddle Latest Chip on Board Tech - Efficient Chip on Board (COB) LEDs provide maximum brightness level for up to 90% of the battery burn time Easy On / Off Clip Attachment - Blinder Link has a unique clip design that allows a rider to quickly & easily remove or attach the light from the mount Charge & Low Battery Indicator - When low on battery the lights beside the button will glow red. When charging, the lights will turn green and then turn off once charged Specification: Bulb Type - Chip On Board (COB) LEDs Light Output Range -Steady On - High: 100 lm, Steady On - Low: 20 lm Run Time - Highest: 50 hrs (Eco Flash), Lowest: 4 hrs (Steady on High) Charge Time - 4 hours Waterproof - Yes, IP67 Rating Light Modes - 8 Fits Handle Bars - 22 - 32mm+ diameter, Rechargable - Yes (USB-C) Dimensions - H: 51mm x W: 44mm x L: 77mm Weight - 74 grams Low Battery Indicator - Yes Strap Material - Medical Grade Silicone Operating Temperature - -20 to 50 C / -4 to 122 F Optimum Charging Temperature - 20 to 22 C / 68 to 72 F (Room Temperature)