"Built for the toughest environments, the R75 is a rear light for all conditions. Key Features
• Max Output 75Lm
• Runtime 2-6hrs
• 24 diode COB LED
• 270° visibility
• Battery level test mode & low battery indicator
• Waterproof IP65
• Silicone straps and micro-USB cable included
• USB rechargeable 3.7v 900mAh Li-Pol battery
• Dimensions: 15 x 20 x 60mmModes & RuntimeHigh Constant: 2hrsMedium Constant: 3hrsLow Constant: 4hrsFlash: 6hrs

Reviews
Fantastically capable performer... a very good option for commuters, who need to be visible on city streets and beyond. - BikeRadar October 2023Read full review"