<B>DROK® Digital DC 12V Ammeter Panel Amp Meter Gauge +/- Current Tester L... Review</b><P>http://tinyurl.com/q8dgahs <P><P> DROK® Digital DC 12V Ammeter Panel Amp Meter Gauge +/- Current Tester L... <P>Operating voltage: AC / DC 8 - 12V<P>Measurement rang: DC 0~ 200uA /2mA /20mA /200mA /2A /5A; DC 0~ 10A /20A /30A /50A /100A /200A /300A /500A Version (need an external shunt)<P>Operating current: <15mA; Display: LCD, blue backlight, character height 20mm<P>Dimensions: 79 x 43 x 25 mm; Installation hole: 76 x 39 mm<P>Net weight: about 60g; Measuring rate: ≥2 times / S; Over-range display: the first shows "1" or "-1"<P>
