Product Features 1. Can set the interval forauto data recording 2. MAX/MIN/REL measurement mode 3. Peak hold 4. Analogue bar graph 5. Measure AC and DC in the same stall (AC+DC) 6. 4-20mA loop test 7. 45Hz-100kHz frequency response measurement 8. Double backlight 9. Misplug alarm 10. Auto and manual ranges selectable 11. USB interface available 12. Bluetooth connection with a cellphone for data monitoring 13. Temperature measurement mode,equipped with K-type point contact temperature probe 14. Complies with CE (European Union) and UL (United States) directives