Solar Charging Motorcycle TPMS Motor Tire Preure Tyre Temperature Monitoring Alarm System M5 With 2 External Sensor Descriptions: Manymotorcycleaccidentsarecausedbytheflattireontheroad.Asamotorcycleowner,thesafetyofdrivingisthefirstthing.Toreducesuchaccidents,theinstallationoftirepreuremonitoringsystem(TPMS)isneceary.WiththeTPMS,wecankeepthetireworkingwithinthespecifiedpreureandtemperaturerangeatanytimetoreducethedamageofthetireforsafedriving.Mainfeatures:-PowerfulTPMS:TPMScanmonitortirepreure/temperaturestatusinrealtime,whichwilltransmitreal-timevoicealarmandwarningindicatorlighttoremindthedriverfordrivingsafety.-Widecompatibility:Thissystemiswidelycompatiblewiththosemotorcycleswith2tires.Youdon'thavetoworryaboutthecompatibilityiue.-Powersupply:SupportsUSBcharging,whichmeansthatyoucouldusetheUSBcable(notincluded)tochargeitupwhileitisinlowpower,ratherconvenient.-2externalsensors:Its2externalsensorswithIP67waterproofgradearesuitableforbeingusedonrainydays.Besides,theyareinhighsensitivityandgoodaccuracyformeasuringpreureandtemperature. Specifications:Externalsensor:-Battery:built-in140mAhbuttoncell-Waterproofgrade:IP67-Workingtemperature:-30-80Deg.C-Storagetemperature:-30-85Deg.CTPMS:-Battery:built-in345mAhLi-ionbattery-Operatingvoltage:3V-Workingfrequency:2.4GHz-Responsetime:6s-Workinghumidity:95percentandle-Preuremonitoringrange:100-900kPa-Preureaccuracy:minusorplus10kPa