The Helios B from M-Wave is a reliable rear light for bicycles that ensures safety and visibility in road traffic. It is powered by two AAA batteries and features two powerful red LEDs that provide a clear signal effect. An integrated reflector further enhances visibility, especially in low light conditions. The simple on and off function allows for user-friendly operation. The rear light can be flexibly mounted on luggage racks with a width of 50 to 80 mm. Additionally, the Helios B is equipped with a battery control light that informs the user in a timely manner about the battery charge status. The product carries a German quality mark, which speaks to its quality and safety. This rear light is a practical and effective solution for anyone who values safety while cycling.