The LED rear light ensures greater visibility in traffic. The light is switched on and off by pressing the cover panel and offers multiple function levels. After the first pressure contact, the light is switched on and the red light flashes. At the second press, the light changes to a constant mode. With the third press, the light is switched off again. The rear light can withstand splashed water up to an incident angle of 60 degrees. A button-cell battery of type CR 2032 - 3 V is included in the scope of delivery and already installed.