Waterproof Wireless Bike Bicycle Computer LED Odometer Speedometer

Waterproof Wireless Bike Bicycle Computer LED Odometer SpeedometerIntroduction:Thi s new type of multifunction bicycle-odometer can display all information about the riding speed,mileage and time dynamically when riding.it also includes the function of thermometer,clock and stopwatch.Features:-SPD: CURRENT SPEED -ODO: ODOMETER(0.001-99999KM/M)-DST: TRIP DISTANCE-MXS: MAXIMUM SPEED-AVS: AVERAGE SPEED-TM: ELAPSED TIME-CLK: CLOCK (12H/24H)-SCAN-"+""-" COMPAPATOR-SETTING SPEED SCALE(KM/H.M/H)-SETTING TYRE CIRCUMFERENCE:(0MM-9999MM)-SEETING THE LAST VALUE OF ODOMETER-FREEZE FRAME MEMORY-AUTO: ON/OFF-WIRELESS TRANSMISSIONSpecifications:Display: Two-line four window displays. Size:Production size 4.5x 4.5 x 1.7CM, LED Size 2.8CMx 2.3CMPower by : 1x 3V CR2032 Lithium Battery ( Battery included )Package Included:1 x Wireless LED Bike Bicycle Computer Odometer SpeedometerBefore using please accroding the Tire size set a correct Perimeter.