Features:
100% new and high quality.
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

Specifications:
Measurement range: 30dB ~ 130dB
Accuracy: ±1.5dB
Resolution: 0.1dB
Frequency range: 31.5Hz ~ 8KHz
Over range indication: "UNDER" or "OVER"
Auxilitary output: AC 0.707 Vrms at full range for each level， impedance 600 ohms
DC 10mV/dB， impedance 100ohms
Battery voltage: 4*1.5VAA(Not Included)

Size : 245*80*35mm
Color: Green & black

Package Includes:
1 x Mastech MS6700 Digital Sound Level Meter Test Measure Decibels