The digital multimeter is a powerful and reliable tool that safely measures voltage, resistance and current, whether you are working at home or for automotive maintenance. Its amazing LCD display provides accurate, easy-to-read results that let you work quickly and efficiently To safely troubleshoot many electrical problems around your home with our powerful multimeter, you don't have to be an electrician to use our automotive multimeter. Designed to accurately and safely troubleshoot a variety of electrical problems in the automotive and home industry. Instrument meter with data hold function, easier to read data. Large digital display for quick battery check and accurate results. Voltage test function for AC and DC voltage Low battery indicator function. Support test function for buzzers and diodes, overload protection function. DC voltage: 600V ( 1.0%) AC voltage: 450V ( 1.2%) Current AC: 20-400A ( 2.0%) Resistance (ohm): 200K ( 1.0%) Battery: 2 AAA batteries (not included) Max LCD Reading: 1999 Clamp Diameter: 2.13cm/0.83" Size: 14.7 x 5.5cm/5.78 x 2.16" Weight: 187g (approx.) Package includes: 1 x English Manual Note :1. Please allow 1-3mm error due to manual measurement Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real standard. Digital multimeter, voltmeter, ammeter, ohmmeter, VOM testerDC voltage: 600V ( 1.0%) AC voltage: 450V ( 1.2%) AC current: 20-400A ( 2.0%) Resistance (ohm): 200K ( 1.0%) Battery: 2 batteries AAA (not included) Max LCD reading: 199