• Sound Level: 30 ~ 130 dB

• LCD display: 1/2 Inch and 3 Digits

• Response Time: 0.5 second

• Resolution: 0.1 dB

• Accuracy: ±1.5 Db

• Data Hold, Max, Min and Auto Power Off

• Power Supply: one 9V battery

• Power Life: about 50 hours (alkaline battery)

• Operating Temperature: 0 ~ 40 ˚C

• Operating Humidity: 10 ~ 90 % R.H.

• Dimensions: approx. 170 (L) x 58 (W) x 35 (H) mm

• Weight: approx. 107 g