Fangrui Product Details 1. Duoyi Car Leakage Current Clamp Meter Dc Tester 2. Automatic Acdc Shifting: Automatically Identify Acdc Signals, No Need To Manually Switch Acdc Gears 3. One-key Zeroing: Press (zero Adjustmentbacklight Key) To Zero 4. Backlight Display Mode: 4-digit Lcd Display (with Backlight) Long Press (zero Adjustmentbacklight) To Switch 5. Test Method: Clamp Non-contact Measurement 6. Range: 0ma~60a Acdc 7. Resolution: 1ma Acdc 8. Sampling Rate: 2 Timessecond 9. Frequency Response: Ac:45hz~400hz 10. Jaw Size: 16x18mm 11. Lcd Size: 35x21.5mm 12. Instrument Size: 215x61x32mm 13. Shifting Mode: Automatic Shifting 14. Line Voltage: 600v And Below Line Test 15. Data Storage: 99 Groups, Press (savestorereview Key) To Automatically Store And Automatically Number The Storage Location For Easy Access 16. Data Lock: Press (savestorereview Key) To Lock The Screen Data For Easy Viewing 17. Data Review: Long Press (savestorereview Key) To Enter Data Query, Use (zerobacklight) And (savestorereview) To Scroll Up And Down, If You Want To Exit Data Review, Long Press (savestorereview) 18. Overrange Display: Ol Is Displayed When The Range Is Exceeded 19. Automatic Shutdown: If No Operation Is Performed For 5 Minutes After The Power Is Turned On, The Lcd Flashes. If The [power Key] Is Pressed, It Will Return To The Normal Test State, Otherwise It Will Automatically Shut Down After Flashing For 30 Seconds 20. Low Voltage Display: When The Battery Voltage Is Too Low To Ensure The Measurement Accuracy, The Battery Symbol Is Displayed And The Battery Should Be Replaced Immediately 21. Working Current: Max 20ma 22. Insulation Strength: Ac 3700vrms (between The Iron Core And The Box) 23. Power Supply: 9v Battery X1 (not Included)