Heles UX-866TR Digital Multimeter Features: -Maximum indication: 1999 counts (3 1/2 digits) with large LCD display -Accuracies are +/-(% reading + no of digits) -Sampling rate: 2-3 times reading per second (approximate) -Push-Type switch buttons respectively for Data Hold-On (HOLD), and power On/Off -Single 32 range positions easy to use rotary switch for more Functions and measuring range selection -High sensitivity of 100V -Impedance: 10M ohm on all DCV & ACV ranges -Automatic over-range indication with the "1" displayed -Automatic low battery power (6.4V) indication with the mark of battery shape -Automatic polarity indication on DC ranges -Diode testing with 1mA fixed current -Transistor hFE test with ib-10A -Continuity test by Beeper sounding below 50 ohm -Capacitance test with special terminal at front panel -The Resettable Fuse is built-in for the tester to prevent the frequent replacement of common fast-acting glass type fuse -Maximum common mode voltage: 250V DC/AC rms