The ROCKBROS Frog RFL01 is a compact LED rear light designed to keep you visible while cycling or engaging in outdoor activities. It features a wide 180° beam angle that ensures you are seen from various directions, utilizing a green light and five different illumination settings, including a steady mode and four flashing options to suit different visibility needs. Constructed from a combination of PC and silicone, this lightweight lamp weighs only 30 g and measures approximately 77mm x 30mm x 34mm. It is powered by a built-in 350 mAh battery that supports fast charging via a USB-C port, making it easy to power up quickly between trips. Because it is waterproof, you can rely on it during rainy rides without worrying about moisture damage. Installation is simple and tool-free thanks to an elastic silicone strap that allows you to securely attach the light to road, MTB, or city bikes, as well as backpacks and other sports equipment. This versatility makes it a practical choice for anyone needing a reliable, easy-to-mount safety light for their daily commute or weekend adventures.