BSIDE U1 AC DC Clamp Meter Electric Pen Current Digital Multimeter 1. Three-in-one function, electric pen + ammeter + multimeter, strong practicality. 2. Beautiful, portable, high precision, fast testing, more reliable. 3. Color LCD display, LED flashlight design, enhanced reading experience. 4. With full-range overload protection, automatic measurement at power on, and intelligent burn prevention. 5. Automatic mode: can automatically identify AC voltage, DC voltage, resistance, and onoff. Parameters: 1. DC voltage: 0-610V 2. AC voltage: 0-610V 3. DC current: 1-100A 4. AC current: 1-100A 5. Resistance: 1 ohm-60 megohms 6. Capacitance: 0.01uF-60mF 7. Frequency: 1.000Hz-9.999MHz 8. Duty cycle: 10%-95% 9. Temperature: -50 degrees Celsius to 1000 degrees Celsius 10. Display: LCD screen 11. Maximum display value: 6000 digits 12. Sampling rate: about 3 timessecond 13. Automatic shutdown time: 15 minutes 14. Power supply: built-in 3.7V 400mAh lithium battery 15. Working altitude: maximum 2000m 16. Dimensions: 192 x 36 x 30mm 17. Weight: 102g