· Real-time full-index noise measurement, supporting concurrent A/B/C/Z frequency weighting and Fast/Slow/Impulse time weighting

· Captures comprehensive acoustic indicators: SPL, LEQ, Max, Min, Peak, SD, SEL, E and LN statistical percentile values

· Standard Class 1 high-precision noise measurement unit; interchangeable Class 2 sensor unit available as an option

· Expandable spectrum analysis function for over-limit noise incidents, compatible with octave band and 1/3 octave band analysis

· Auto audio recording & cloud upload triggered by noise threshold violations; built-in electrostatic excitation self-test and automatic calibration functions

· Large-capacity built-in lithium backup battery that sustains stable instrument operation for over 24 hours during power cuts

· Customizable optional modules to match diverse project demands: traffic flow monitoring, meteorological parameter acquisition, outdoor LED display, GPS/Beidou positioning, sound source identification, video surveillance, dust monitoring and sound source localization

· Dual remote data transmission modes: 4G cellular network and Ethernet

· Cloud monitoring platform supports data presentation via GIS map or table view; features massive local storage, historical data export and on-site audio playback

· Supports remote firmware upgrades and remote parameter tuning for core critical operating settings