19 Functions Bicycle Computer LCD Digital Wired Cycling Computer Speedometer Bike Speed Odometer with Backlight Bike Accessories _x000D_ _x000D_ _x000D_ _x000D_ Name:Bicycle Code Meter Wired Code Meter Luminous Backlight Touch Screen Code MeterMaterial: PC+ABC case/ electronic components _x000D_ Color: Black Red White _x000D_ Display: LCD touch screen _x000D_ Power supply: replaceable button battery _x000D_ Package weight: 80g _x000D_ Package size: boxed 13.5cm*9.1cm*2.5cm _x000D_ _x000D_ Model:583 _x000D_ Color: Black/ Black+Red/ White+Black(optional) _x000D_ Material: ABS _x000D_ Display Accuracy: 0.001 _x000D_ Battery: 1 * CR2032(3V/240mAh) _x000D_ Waterproof: IPX6 _x000D_ Item Size: 60 * 45 * 20mm/ 2.4 * 1.8 * 0.8in _x000D_ Package Weight: 83g/ 2.9oz _x000D_ _x000D_ Model:574 _x000D_ Battery: built-in 65mAh AG10 battery _x000D_ Riding time: ranging from 0:00:00 to 99:59:59 _x000D_ Bicycle spoke diameter: 2mm and less _x000D_ _x000D_ Model:581 _x000D_ 1.SPD CURRENT SPEED _x000D_ 2.ODO ODOMETER _x000D_ 3.DST TRIP DISTANCE _x000D_ 4.MAX MAXIMUN SPEED _x000D_ 5.AVS AVAAGE SPEED _x000D_ 6.TM ELASPED TIME _x000D_ 7.CLK CLOCK/(12H/24H) _x000D_ 8.SCAN _x000D_ 9."+" "-" COMPARATOR _x000D_ 10.SEETING SPEED SCALE(KM/M) _x000D_ 11.SEETING TYRE CIRCUMFERENCE _x000D_ 12.SEETING THE LAST VALUE OF ODOMETER _x000D_ 13.FREEZE FRAME MEMORY _x000D_ 14.AUTO ON/OFF _x000D_ 15.MAINTENANCE ALERT _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_