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 on/off.Parameters:1. DC voltage: 0-610V2. AC voltage: 0-610V3. DC current: 1-100A4. AC current: 1-100A5. Resistance: 1 ohm-60 megohms6. Capacitance: 0.01uF-60mF7. Frequency: 1.000Hz-9.999MHz8. Duty cycle: 10%-95%9. Temperature: -50 degrees Celsius to 1000 degrees Celsius10. Display: LCD screen11. Maximum display value: 6000 digits12. Sampling rate: about 3 times/second13. Automatic shutdown time: 15 minutes14. Power supply: built-in 3.7V 400mAh lithium battery15. Working altitude: maximum 2000m16. Dimensions: 192 x 36 x 30mm17. Weight: 102gSpecification: Package Weight One Package Weight 0.29kgs / 0.64lb One Package Size 20cm * 8.5cm * 4.5cm / 7.87inch * 3.35inch * 1.77inch Qty per Carton 60 Carton Weight 17.00kgs / 37.48lb Carton Size 45cm * 45cm * 23cm / 17.72inch * 17.72inch * 9.06inch Loading Container 20GP: 572 cartons * 60 pcs = 34320 pcs40HQ: 1329 cartons * 60 pcs = 79740 pcs