Super Bright and Powerful Bike Light - Not only a bicycle light, but also a multi-function combination smart watch light of stopwatch sensor. The headlight has 4 lighting modes. It has anti-glare design and are very bright. It has 2 fog lights and works great in foggy or rainy days. It's side lights and taillight have high visibility and can make riders be seen far away.Bicycle Speedometer and Versatile - This headlight display can show not only speed but also single trip mileage, total mileage, riding time, calories and fat consumed. The bike headlight is versatile enough for night cycling, hiking, camping and so on.USB Rechargeable and Battery indicator Function - Our bike front light and bicycle speedometer odometer come with the USB rechargeable function, it's built-in 4000mAh lithium battery, all you need is a USB cord and a power source to recharge (Computer, laptop or a cellphone charger), and it can be charged hundreds of times, which makes them a substitute for disposable batteries and protects the environment.IPX4 Water Resstant & Battery indicator Function - IPX4 waterproof rated front light and ride your bike, rain or shine. for outdoor cycling trip and bicycle training. 4 power indicator lights: 100%, 75%, 50%, 25%. When Battery level is less than 25%, need to charge ASAP.Easy to Install & Suitable for All Kinds of Bikes - Universal design mount, make one size to fit all bikes, Mountain, Big Road Bikes, Hybrid Bikes, City Bikes, or any Bike including Kids bikes, stroller, mower, snow blower, skateboard, wheelchair, motorcycle, trike, BBQ grill, scooter, e bike, boat, kayak, and moreColour: blackMaterial: plasticPackage Contents:1 * Bike Front Light1 * Bike Tail Light1 set * Installation AccessoriesOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.