Features: Multifunctional digital instrument, can accurately measure and display current, voltage and frequency. Red LED display, clear and intuitive, easy to read the measuring results. There are multiple quick wiring terminals at the back of the instrument. Engineering plastic outer case, flame retardant and heat resistant, safe and reliable. High measuring accuracy, sensitive response, convenient and fast. Specification: Model: JJ-96UIF Power Supply Voltage: AC220V±10%, 0/60Hz Input Voltage: AC220V/AC380V (Optional) Input Current: AC1-5A Measuring Display Objects: Current, Voltage, Frequency Voltage & Current Accuracy: ± (0.5% FS + 2digit) Frequency Accuracy: ±0.1Hz Power Consumption: <1VA Working Environment: -10-50℃, <85% RH Dimensions: 96x96x60mm / 3.8x3.8x2.4in Package List: 1 x Digital Instrument 1 x English Manual 1、Multifunctional digital instrument, can accurately measure and display current, voltage and frequency. 2、Red LED display, clear and intuitive, easy to read the measuring results. 3、There are multiple quick wiring terminals at the back of the instrument. 4、Engineering plastic outer case, flame retardant and heat resistant, safe and reliable. 5、High measuring accuracy, sensitive response, convenient and fast.