The Mibuka DG668 is a pocket size analog multimeter, you can use it to measure AC/DC voltage, DC current and resistance, for DC current, it can measure as low as 10 micro amps and up to 250 mA, which is hard to do with a digital multimeter. It has 1.5 volts & 9 volts battery test ranges. Features: 2 kOhm/V DC/AC sensitivity, Mirrored scale, 13 versatile ranges. Specifications: DCV:10-50-250-500V, ACV: 50-250-500V, DCA: 25mA-250mA, Battery 1.5/ 9V Check, R:x10-x1k, dB level: 4 -36 dB. What's in the box: Mibuka Analog Meter DG668, Test leads (attached), User manual.