Features:<br>1.BacklightLCDscreen,applicableunderpoorlightcondition.<br>2.Compactandextremelyportable.<br>3.Automaticallyshutoffwhensignalsarenotdetectedwithinaminutes.<br>4.TomeasureRPMofaspiningpropeller,2-9bladesones,memorizepeakRPMdatas.<br>5.220mAhremovablelithiumbuttonbatteryincluded.<br><br>Descriptions:<br>1.ThisisaRCmicrodigitaltachometer,withbacklightLCDscreen.<br>2.Function:TomeasureRPMofaspinningpropeller,2-9bladesones,memorizeRPMdatas.<br><br>Specification:<br>Brand:G.T.Power<br>WorkingWay:photoelectricity<br>Max.Indication:99999<br>Display:LED<br>Blade:2-9<br>AutoTurnOff:nosignalfor1min<br>BacklightColor:blue<br>Battery:220mahreplaceablelithiumbattery<br>Function:TomeasureRPMofaspinningpropeller,2-9bladesones,memorizeRPMdatas.<br>Size:87x50x17mm<br>Weight:44g<br><br>Packageinformation:<br>Packagesize:150x100x20mm/5.91x3.94x0.79in<br>Packageweight:65g/2.29oz<br>Blisterpackage<br><br>PackageIncluded:<br>1xRCMicroDigitalTachometer