Compact appearance design, multi-function bicycle computer is durable, economical and practical.<br/>Features:<br />Small in size and light in weight, wired and waterproof design make it convenient and durable.<br />Multi-functions: the computer measures average speed, maximum speed, distance and riding time etc, to keep track of your cycling effectively.<br />300 seconds without signal input, screen display will enter standby mode, clock retention.<br />If there is a traffic signal input or press any key, it can revert to the shutdown mode and memorize the data before shutdown.<br />Powered by a CR2032 button battery (note: the battery is included).<br/>Specifications:<br />Material: ABS<br />Color: Black<br />Power: a CR2032 button battery (included)<br />Size: 51 * 42 * 18mm / 2 * 1.7 * 0.7in<br />Weight: 56g / 2oz<br/>Functions:<br />Odometer<br />Speed <br />Average Speed<br />Maximum Speed<br />Trip Distance<br />Auto On/Off<br />Elapsed Time<br />Setting Speed Scale<br />Setting the Last Value of Odometer<br />Setting Tire Circumference<br />Clock<br />Comparator<br />Scan<br />Freeze Frame Memory<br />Maintenance Alert<br/>Package List:<br />1 * Computer<br />1 * Mounting Base<br />1 * Wired Sensor<br />1 * Magnet<br />6 * Ties<br />1 * User Manual