Features: Automatic recognition of voltage/resistance, tested immediately upon startup ,Novice users do not need to learn the curves and can use it immediately → Suitable for home electricians and DIY enthusiasts. Directly measuring voltage and resistance, no need to frequently switches gears, improving work efficiency → suitable for maintenance engineers to quickly test in complex environment. Support 380V phase loss detection function to ensure electrical safety , provide reliable power monitoring to avoid equipment damage → suitable for industrial electrical maintenance and repair. High sensitivity NCV function, safe measurement of live lines , effectively reduces the risk of electric shock and protects the personals safety of users → suitable for inspection by electricians to ensure operational safety. Capable of measuring voltage within a frequency ranges of 40Hz~1kHz , meets the testing needs of various electrical equipment → suitable for professional electricians to use in different environment. Specifications: Component:ABS Voltage Measurement: AC0.8V~600V DC0.8V~600V Resistance measurement ranges 0Ω~40MΩ Counnt:2000,4000 (optional) NCV: Yes Data Hold: Yes Backlights: Yes Low Battery Indication:Yes Automatic Power-Offs: Yes Power:2pcs 1.5V Battery(not included) Size:Approx.126mm/4.96''x61mm/2.4''x33mm/1.29'' Package Includes: 1Piece Multimeter note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.