ANENG ST181 Digital Clamp Meter DC/AC Voltage 4000 Counts Multimeter Ammeter Voltage Tester Car Amp Hz Capacitance NCV Ohm Test Features: Can measure AC/DC voltage, AC current, resistance and test continuity. Manual select measurement function and range. Overload protection for the whole measurement range. LCD display with backlight, convenient to operate and read. Data hold function, low battery indication, auto power off. Suitable for electrical equipment testing and maintenance. Specifications: Model ST181 Display 4000 counts Range Accuracy AC voltage 4V/40V/400V/600V ±(1.5%+3) DC voltage 400mV/4V/40V/400V/600V ±(1.0%+3) Resistance 400/4k/40k/400k/4M omh ±(1.2%+3) 40M omh ±(1.5%+5) AC current 40A/400A ±(2.5%+3) Frequency 10Hz~400kHz ±(1.0%+5) 400kHz~4MHz ±(2.0%+5) Capacitance 1nF~4uF ±(2.5%+10) 4uF~400uF ±(4.0%+20) 4mF ±(5.0%+30) Working temperature 18°C〜28°C Package Included: 1 * ANENG ST181 Clamp Meter 1 * Black Packing Bag 2 * Test Probes 1 * User Manual