SMART SENSOR High-Precision Multifunctional Portable Automatic Digital Multimeter 1. DC voltage: 6V ~ 1000V 2. AC voltage: 6V ~ 750V 3. DC current: 60mA ~ 600mA 4. AC current: 60mA ~ 600mA 5. Resistance: 600Ω 600kΩ 40MΩ 6. Capacitance: 600nF 600μF 30mF 7. Frequency: 10Hz ~ 10MHz 8. Display type: LCD 9. Display: 5999 (3 56) digits, automatic polarity display 10. Measurement Method: dual-integral AD conversion 11. Low voltage display: Yes 12. Power supply: AAA 1.5V battery (not included) 13. Neutrallive wire measurement: turn the dial to the "TEST" position and insert the red probe tip into the neutral or live wire. If it's a live wire, the buzzer will emit a continuous sound, and the backlight will turn on, displaying "OL" on the LCD screen. If it's a neutral wire, the meter will remain in the power-on state. 14. Retractable stand on the back for effective measurement assistance and improved efficiency. 15. External rubber protective cover, resistant to aging and cracking, extending service life and preventing instrument damage. 16. Net weight: 205g 17. Dimensions: 142 x 70 x 32mm