Multimeter, KKmoon VC921 Pocket Digital Multimeter Multi Tester AC DC Voltage DC Current Resistance Diodes Capacitance Transistor Auto Range Data Hold Function LCD display. Low battery indication. Automatic polarity indication. Over range indication. Full function protection, anti-high voltage circuit design. Metallic screen board with stronger antimagnetic and anti-interferential function. Able to test AC/DC Voltage, AC/DC Current, Resistance, Live Line, Diode,Troide, Capacitance, Frequency and more Sampling times at about 2~3 times/sec Maximum display 4000 counts. Palm multimeter, pocket multimeter, compact portable durable Multimeter Over load protection Use the PT protection circuit for Resistance and frequency measurement. widely reserved in schools, laboratories, factories and any other machining industry.Not only suitable for home users, beginners, maintenance enthusiasts, but also for professional electricians and technicians. Digital Multimeter Large display makes the reading clear Durable & Easy OperationRotary switch and function buttons can easily find and operate.