The 200 Lumens USB-C Bike Tail Light by Gelrova is a sleek and functional rear light designed for cyclists. With 11 modes and a brake sensor, this black plastic light provides a bright 200 lumen beam to ensure visibility on the road. It is water-resistant, making it suitable for various weather conditions. The compact size of 35mm x 35mm x 30mm and lightweight design of 25g make it easy to carry and attach to your bike. The USB-C rechargeable feature ensures convenience and energy efficiency. This model, W6, is a reliable choice for riders looking for a high-quality rear light.