1. Bluetooth connection: the mobile phone can directly control the multimeter. 2. More applications of measurement data: data logging, data graphing, data exchange, data storage and export, threshold alarm. 3. Multimeter collaboration: The application can connect four Bluetooth multimeters and monitor the measurement data of the four multimeters in real time at the same time. 4. Intelligent calculation function: use the data in the multimeter to quickly calculate the power and other mathematical formulas. 5. Remote assistance: real-time remote screen synchronization, convenient communication, real-time monitoring without distance and ultra-long distance. 6. Find a multimeter user communication platform 7. Display: 6000 count display 8. DC voltage: 6V / 60V / 600V (0.5% + 3) 9. AC voltage: 6V / 60V / 600V (1.0% + 3) 10. Continuous current: 999.9mA / 9.999A(1.0% + 4) 11. Alternating current: 999.9mA / 9.999A(2.0% + 3) 12. Capacitance: 6nF (5.0% + 20); 60nF / 600nF / 6uF / 60uF / 600uF (3.5% + 4); 6mF (5.0% + 5) 13. Resistance: 6K (1.5% + 3); 60K/ 600K/6M(1.0% + 3); 60M(1.5% + 3) 14. Frequency: 6Hz / 60Hz / 600Hz / 6kHz / 600kHz / 6MHz / MHz (1% + 2) 15. Temperature: 1000 degrees Celsius ~ -20 / -4 ~ 1832 (3% + 5) 16. NCV (non-contact voltage detection): yes 17. Diode test: Yes 18. Continuity: Yes 19. Power supply: 1.5V AAA x 2 (not included) 20. Dimensions: 120mm x 61mm x 28mm 21. Weight: 117 grams 22. The package includes: 1 x ZT-5B wireless multimeter, 1 x probe, 1x thermocouple, 1x user manual, 1x color box