Bike Waterproof Wired Multifunctional Bicycle LCD Computer Speedometer Cycling O Features: 1. Compact appearance design, multi-function stopwatch is economical and practical. 2. Waterproof protection. Immerse in the water for a short time, it is fine in light rain or heavy rain, but it is not recommended to rain for a long time, so as to prevent water from causing accidents. 3. 300 seconds without signal input, screen display will enter standby mode, clock retention.When there is a driving signal input or press any button, you can return to the mode before the shutdown and remember the values before the shutdown. 4. If there is a traffic signal input or press any key, it can revert to the shutdown mode and memorize the data before shutdown. 5. Bike Computer Waterproof Wired Multifunctional Bicycle LCD Computer Speedometer Cycling Odometer Stopwatch Product Function introduction: 1.SPD CURRENT SPEED 2.ODO ODOMETER 3.DST TRIP DISTANCE 4.MAX MAXIMUN SPEED 5.AV S AVAAGE SPEED 6.TM ELASPED TIME 7.C L K CLOCK 8.SCAN 9."+" "-" COMPARATOR 10.SEETING SPEED SCALE(KM/M) 11.SEETING TYRE CIRCUMFERENCE 12.SEETING THE LAST VALUE OF ODOMETER 13.Freez e FRAME MEMORY 14.AUTO ON/OFF 15.MAINTENANCE ALERT Specification: Material: ABS Power: 1x AG10 button battery (built-in) Color: Black Size: 49x44x15mm/1.92x1.73x0.59' Weight: about 65g Note: Please allow slight size differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understand. Included: 1 x Bike Speedometer 1 x Magnet 1 x Base + Cable Sensor