Digital Multimeter DMM Multi Meter AC / DC Voltmeter Ohmmeter Ammeter Temperature Frequency Capacitance Resistance Tester New and high quality. 65 x 40mm big lcd screen, word size up to 25mm CMOS integrated circuit and dual slope A/D conversion, auto zero and select polarity The best display visual angle is approx. 70 degree High reliable measure range and 32 gears are more effective to avoid false operation It will auto turn off after starting up 25 minutes. Support transistor add Diode test