Features:<br> 1. Small size, light weight, and wireless waterproof design make bicycle odometer more convenient and durable.<br> 2. Ordinary bicycles such as road bicycles, mountain bicycles, and folding bicycles are compatible with this bicycle odometer.<br> 3. Large LCD display allows you to easily read statistics from bicycle odometer.<br> 4. A multi-purpose meter can measure speed, time, mileage, heart rate, and cadence. Sea waves, slopes, etc., escort your journey.<br> 5. Support four-star positioning, Beidou, GPS, GLONASS, positioning more quickly and accurately.<br> This product is a multi-purpose meter can measure speed, time, mileage, heart rate, and cadence. Sea waves, slopes, etc., escort your journey.<br> Specifications:<br> Screen Size: 1.8 inch<br> Battery Type: Rechargeable Lithium Battery<br> Battery Life: 25Hours<br> IP Rating: IPX7<br> Screen Type: LCD Display<br> Positioning: GPS/BeiDou/Glonass<br> Package Included: 1 * Bicycle odometer