Serfas Thunderbolt Lightset Combo 2.0 - 120/50 Lumen

These front and rear lights are incredibly bright despite their small size. Crafted with CNC and precision laser - etched aluminum housing, they offer high - quality construction. The front light can reach a maximum output of 120 lumens and the rear 50 lumens in daytime flash mode. Both lights have 7 modes to choose from. The last memory mode lets you keep your preferred setting, and the USB - rechargeable design makes charging easy.

Using this lightset is a piece of cake. First, charge it via the USB port until the battery is full. You can choose from 7 different modes for both the front and rear lights. To change the mode, just press the button on the light. The last memory mode will remember your favorite setting, so you don't have to set it every time. When using, make sure the lights are securely attached to your bike. Avoid exposing the lights to extreme heat or cold. To keep the lights in good condition, clean them regularly with a soft, dry cloth. If you have any problems, don't hesitate to contact customer service.