Features: 1. IPX7 waterproof and dust resistance: Thanks to its IPX7 waterproof level, our best bike computer can get wet but it is also dust resistant. Therefore, even when it rains, you are protected from data errors caused by an unexpected downpour. 2. Portability: This product is small in size and light in weight, which is very convenient to carry around. 3. Beautiful: This product is made with functional exquisite craftsman, and appearance is very stylish and beautiful. Description: Besides its ease of use, our wireless mountain bike computer has many practical functions, to significantly meet your daily needs while pedaling. Specifications: Screen: 1.8 inch segmented LCD Satellite system: GPS/Beidou/Glonass Transmission method: BLE4.0 / ANT + APPSTRAVA/XOSS/Training Peak Battery: Built-in lithium battery Working time: 25 hours battery life Waterproof: IPX7 Barometer: Built-in barometer Package Included: 1 pc * Bicycle computer Notes:1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.