Bike Speedometer Computer LCD Digital Waterproof Odometer 　Weight: 24g (Computer Console)Color: Black + Red.Size (Computer Console): 46 x 46 x 19 mmSize (LCD display): 3 x 2.5 cmSensor Cable Length (Approx.): 84 cm2 tier LCD displayTime display function, also can be used as a watchEasy to install, easy to read LCD displayPower by 1 x (1.5V/AG13A ) battery (included)Function:SPD : Current Speed ;up to 99.9 km/m (m/h)ODO : Odometer (0.001 ~ 99999 km/m)DST : Trip Distance (range from 0 ~ 9999 km/m)MXS : Maximum SpeedAVS : Average SpeedTM : Elapsed Time (0:00:00 ~ 9:59:59)CLK : Clock (12H/24H)Speed comparator ("+" "-")Scan : Screen display varies among DST, MXS, AVS, and TM every 4 secondsSetting Speed Scale (km/h, m/h)Setting Tire Circumference (0 ~ 9999mm)Setting the last value of odometer/ODD (km/m)Temperature :(-10℃ ~ 70℃)Freeze Frame MemoryMaintenance AlertAuot ON/OFFPackage:1 x LCD Bike Bicycle Computer Odometer1 x User Manual1 x Mounting Shoe1 x Wheel Magnet　 Thank you!