Excelvan M6013 Digital Auto Ranging Capacitance Meter Capacitor Tester Professional 0.01pF to 470000uF WARRANTY: 1 year with 100% satisfaction and zero hassle returns guaranteed. NOTE: Please discharge the capacitor before testing. Accuracy may be affected by the leads length and distance. RANGE: Large measure range from 0.01pF to 470mF/470000uF, V2 reads up to 470mF. Reading 2200uF only take ~0.2S. STABLE: More stable on reading. With auto running averaging function, it can read pF more stable and accurate. MATRIX: 128 x 64 dot matrix LCD, display 5 digital reading. Can use mirco usb as external power.