Digital LCD Backlight Bicycle Computer Odometer Bike Meter Speedometer SD558A Clock Stopwatch Features: SPD CURRENT SPEED ODO ODOMETER(0-99999KM/MILE) DST TRIP DISTANCE MXS MAXIMUM SPEED AVS AVERAGE SPEED OTM TOTAL TRIP TIME TTM TRIP TIME RTM RIDING ALL TIME CLK CLOCK (12H/24H) SW STOPWATCH TM UP TRIP TIME UP TM DN TRIP TIME DOWN TRIP UP TRIP DISTANCE UP TRIP DN TRIP DISTANCE DOWN +" "-" COMPAPATOR MAINTENANCE ALERT LOW-SPEED REMINDER CARE REMINDER FREEZE FRAME MEMORY LCD BACKLIGHT LOW BATTERY INDICATOR AUTO ON/OFF TEMPERATURE(-20C-90C) Specifications: Display: Two-line four window displays. Size: Production size 9 x 4.8 x 2.2CM, LCD Size 8 x 2.5CM Powered by: 1x 3V CR2032 Lithium Battery ( Battery Included ) Package includes: 1 x Bcycle computer 1 x Mounting Shoe 1 x Sonser 1 x wheel Magnet 1 x Cable ties 1 x CR203 battery 1 x Instruction "