♦LCD digital display
♦Anolog bar indicator
♦Wide dynamic range
♦Auto/Manual range
♦Fast/Slow response selectable
♦MAX value hold function
♦A/C weighting selection
♦Date and time display
♦AC/DC auxilitary output
♦Backlight
♦Low power indication 
Measurement range: 30dB~130dB
Accuracy: ±2dB
Resolution: 0.1dB
Display: 31/2 digitals
Sample rate: 2 times/s
Frequency range: 30Hz~8KHz
Over range Indication: “UNDER” or “OVER”
Low power indication 
Auxilitary output: AC 0.707 Vrms at full range for each level,
impedance: 600Ω DC 10mV/dB,impedance 100Ω
Battery voltage: 6×1.5VAAA