2-9ブレード自動シャットオフ用のgt.power lcdディスプレイrcマイクロデジタルタコメーター-innovationo innovationo 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