The Ravemen TR20 rear light is your ultimate safety companion on the roads. It makes sure you're visible to everyone, no matter the situation. Weighing a mere 20 grams, it's incredibly lightweight. You can easily attach or remove it, and recharging is a breeze with the USB charging port. This light is super convenient and practical in every way, keeping you safe without any hassle. Key Features: High - efficiency COB LED that can reach a maximum of 20 lumens. A quick - release design suitable for various scenarios. A specially designed lens that offers front and side visibility. Auto power - saving and a low - battery indicator. A built - in mode memory function. A convenient Micro USB charging port. Specifications: LED type is COB LED. It's powered by a 200mAh/3.7V rechargeable Li - polymer battery. The light unit's dimensions are 52mm (L)*18mm (W)*22mm (H). It weighs only 15g. The mount is compatible with seat tubes with a diameter of φ 24 - 36mm.

Using the Ravemen Tr20 rear light is easy. First, find a suitable seat tube with a diameter between 24mm and 36mm. Then, attach the light using the quick - release mechanism. Press the button to turn it on and cycle through different lighting modes. When the low - battery indicator shows, use the Micro USB charging port to recharge the 200mAh/3.7V Li - polymer battery. As for maintenance, keep the light clean by wiping it with a soft, dry cloth. Avoid exposing it to extreme temperatures or direct water. If you're not using it for a long time, make sure to charge the battery every few months to keep it in good condition.