The product includes four LEDs that give bright and visible lights for safety. This taillight is rechargeable, which means it may be charged via USB. This is a useful feature because it eliminates the need to replace batteries. It has three distinct illumination modes. These modes can include constant illumination, gradual flashing, quick flashing, and other patterns. With numerous modes, the user can select the one that best meets their visibility and battery life requirements. The taillight is weatherproof, making it suited for use outside, even in rainy weather. This is critical for ensuring functionality in a variety of weather conditions. This taillight is most likely intended to be mounted to a helmet to provide rear visibility. This is particularly critical for motorcycle riders.