OW18E multimeter can perform various tests, including DC/AC voltage, AC/DC current, resistance, capacitance, frequency, NCV, diode and temperature (/). It is worth noting that it has the 4.0 wireless transmission function, which can be connected to a mobile phone or a PC to display data in the form of graphs, allowing you to analyze the data.Widely used in electronic circuit debugging, circuit testing design and manufacturing, education and training, automobile maintenance and testing, etc. Features: True RMS multimeter-can test DC/AC voltage, AC/DC current, resistance, capacitance, frequency, NCV, diode and temperature (/). backlit LCD with flashlight-4 1/2 digits are displayed on the backlit LCD, which is easy to read; equipped with a flashlight, it is convenient to work in dark . 4.0 wireless transmission-with 4.0 characteristics, fast and stable, can be connected with mobile phones or PCs, and supports Android, iOS and Windows systems at the same time.Data logging-data can be collected and stored, and displayed in chart form for quick analysis. It also supports offline data storage for later inspection.Model: OW18ETrue RMS YesDiode Test YesAuto Power-off YesOn-off YesLow-battery Indicator YesData Hold YesRelative Measurement YesFlashlight YesAuto Ranging YesLCD Backlight YesAutomatic-manual Range Selection YesInput Protection Yes version: 4.0Battery type: 9V battery (6F22) (not included)Safety standard: -600V; -1000VProduct size: 196 x 88.5 x 56mmColor: Blue & BlackMaterial: plasticPackage Contents:1 x multimeter2 x test lead1 x thermocouple1 x alligator clip1 x manual