Non Contact Digital Tachometer Rpm Meter Lcd Display For Motor Engine

Resolution: 0.1 RPM(2.5 ~ 999.9 RPM), 1 RPM (over 1,000 RPM). Testing range: 2.5 to 99,999 RPM (rate/min). (over 60 RPM). Test range selection: Automatic. Display: 5 digits. 2Pair Quieter Longer Flight Propeller Blade Prop 8743F For DJI Mavic 2 Pro Zoom.