This meter is featured with wide measuring range (40-130dB). It's portable and easy to use and handy instrument for sound quality control in factory， office， home， school and construction site.

Features:
Large LCD display， easy and clear for reading.
Wide measuring range: 40-130dB.
Maximum and Minimum values and data hold function.
Over range alarm function， auto power off function.
Equipped with sponge ball.
Handy instrument for sound quality control in factory， office， home， school and construction site.

Specifications:
Display: LCD
Measuring Range: 40-130dB
Accuracy: ±1.5dB
Resolution: 0.1dB
Time Weighting: FAST(125mS)
Frequency Range: 31.5Hz to 4KHz
Level Range: Lo: 40~100dB， Hi: 60~130dB
Frequency Weighting: A
Digital Display: 4 Digits
Over Indication: "OL"
Power Supply: 1 * 9V Battery(not included) 
Operation Environment: 0-40°C 10-90%RH
Storage Environment: -10-60°C 10-75%RH
Dimension: 170 * 58 * 35mm / 6.7 * 2.3 * 1.38in 
Weight: 111g / 3.92oz
Package Size: 21 * 11.7 * 3.5cm / 8.26 * 4.6 * 1.38in
Package Weight: 144g / 5.08oz

Package List:
1 * Sound Level Meter
1 * Sponge Ball
1 * User Manual (English)