Knog Plus Rear Light keeps visibility high and setup simple. Mount it to your bike or clip it onto clothing, a helmet, or a backpack in seconds. Commuters and road cyclists alike appreciate the powerful output and lightweight build that works just as well as a main light or a backup. Ride confidently knowing you're easy to spot, whether cruising at dusk or navigating city streets after dark. Features: - Be seen from up to 450 metres away - Integrated USB-A connector for cable free charging - Waterproof with IP66 rating - Wearable - Ultralight at just 17 grams - Up to 40 hr runtime