This bicycle computer works well to measure and record speed, distance and riding time, which are what any serious bicyclist or fitness fanatic needs to know. Bicycle front light and horn 2 in 1 design. The bike horn can emit a warning sound up to 120 dB and there are 6 sounds to change Waterproof Bicycle LED Light. These bike front light is made of high quality ABS material, IPX65 rated, which means no need to release it if you get caught in the rain. The surface of piano paint technology, strong and durable. The headlights are designed for 350 lumens of brightness, up to 165 feet of illumination distance, 95° luminous angle and 4 lighting modes to choose from. Whether it's a road ride, a well-lit city bike ride or a dangerous mountain bike, it can perfectly adapt to all situations