- Brightness and range: The LED chest light uses a white front XPG LED and a red rear LED. It reaches a lighting range of 98.4 to 164 feet. The front running light provides a clear field of view, while the rear light warns vehicles behind you to improve safety during night activities. - Three levels of brightness: Three brightness modes are available — high, low and flashing — delivering 250, 180 and 90 lumens respectively. You can adjust the brightness to suit different environments, whether in a dark forest or on illuminated city paths. - IP44 waterproof: The chest light is IP44 rated and can withstand light rain. It supports activities such as jogging, camping or night fishing with reliable visibility without interrupting your plans. - USB charging and battery life: The unit is powered by a 550 mAh battery with USB charging. Tip: charge the LED chest light every six months to optimise battery life. - Designed for hands-free use: Worn on the chest to provide hands-free illumination, helping you stay aware of your surroundings during outdoor activities. - Practical use scenarios: Ideal for night running or jogging, camping on dim trails, and night fishing, as well as other low-light outdoor activities where reliable visibility and safety are important.