Description:Material: ABS, electronic componentsColour: BlackProduct size: about 4.4*4.9*1.5cmPacking size: about 2*10*18cmWeight: about 63.6gBattery: 1* AG10 batteryScreen: about 1.5 inchesCable length: about 85cm15 Functions:1. SPD: CURRENT SPEED2. ODO: ODOMETER3. DST: TRIP DISTANCE4.MAX: MAXIMUN SPEED5.AVS: AVAAGE SPEED6.TM: ELASPED TIME7. CLK: CLOCK/(12H/24H) clock8. SCAN: Automatic cycle function9."+" "-" ： COMPARATOR10.SEETING SPEED SCALE(KM/M)11.SEETING TYRE CIRCUMFERENCE12.SEETING THE LAST VALUE OF ODOMETER13.FREEZE FRAME MEMORY14.AUTO ON/OFF15.MAINTENANCE ALERTBattery replacement operation:Use a coin to turn to the left to open the battery cover, replace with a new battery (positive side up), close the battery cover, and turn to the right to tighten.Code table detection method:The magnet is aligned with the sensor, and swipe back and forth as close as possible to observe whether the speed display is displayed on the stopwatch. If there is a speed display, the stopwatch is normal. If there is no speed display, please contact customer service.Note: Please insert the wired code meter into the base before testing.Package includes:Bike computer x1Manual x1Magnet x1Battery x1Base + wired sensor x1Note:Due to the different monitor and light effect,the actual color maybe a slight different from the picture color.Please allow 1-2cm differs due to manual measurement.