The theoretical data has been used continuously for about 500 hours, and the standby time is almost one year (the data is for reference only, subject to the actual use)Features: MULTIFUNCTIONSwithAUTOSLEEPandWAKE-UP--Wirelessbikecomputerrecordswithaveragespeed,maximumspeed,currentspeedmph/kph,ridingtime,odometer,clock,distance,scan,maintenancealert. Curvedsquareshapebody,quick-respondpressbuttons,exactmodesdisplay,youhaveallcyclingdataeasilybythiscyclingcomputer.Theinnermotionsensorwillwakeupthecomputerautomaticallywhenyoustartcycling;withnooperationforminutes,itwillentersleepmodetosavebatterypower. GREENBACK-LIGHTAVAILABLEandEASYINSTALLATION--Pressanybuttonsinnighttime18:00-6:00,greenbacklightwillkeepfor6secondsautomatically,makingdataclearlyreadatnight. ACCURATEDistanceSpeedTrackingandClearLargeDisplay--Asthewonderfulpurewirelesssignshowed,ithasstablewirelesstransmissionthatensuresaccuratedataofyourcycling,keepthedistancebetweenthecomputerandthesensorlessthan60cmtomakethemfullycommunicate. LargeLCDdisplayandnumbersshowsclearlyandeasytoreaddata,moresafeandconvenientwhilecycling. WATERPROOFandWIDESUITABLE--Withrubberringandfull-sealedbody,thisbicyclespeedometeriswaterproofandworksgreatonrainydaysasusualwhenriding. Specifications: Material:engineeringplastics,electroniccomponents Display:LCDdisplay Size:56mm41mm20mm Weight:15G Color:Black Power:1CR2032buttonbatteryatthehead;1CR2032buttonbatteryforthetransmitter Maximum speed:99.99 PackageIncluded: 1xBikeComputer Notes: 1.Duetothedifferencebetweendifferentmonitors,thepicturemaynotreflecttheactualcoloroftheitem.Weguaranteethestyleisthesameasshowninthepictures. 2.Duetothemanualmeasurementanddifferentmeasurementmethods,pleaseallow1-3cmdeviation.Thanks! 69272