This product is designed to meet the measurement requirement of safety engineers， health， industrial safety offices and sound quality control in various environments.

Measuring range: 30-130dBA

Accuracy: ÷1.5dB

Frequency range: 31.5Hz to 8.5KHz

Frequency weighting: A

Digital display: 4digits

Resolution: 0.1dB

Sample rate: 2 times/second

Microphone: 1/2 inch electret condenser microphone

Max hold: MAX

Power supply: 9V battery (the battery is not included)

Power life: About 30 hours (alkaline battery)

Operating condition: 0-40? 10-80%RH

Storage condition: -10--+60? 10-70%RH

Product weight: 105g

Package weight: 130g

Product size: 14.2 * 5.3 * 3.5cm

Batteries not included

1 * Sound Level Meter

1 * Sponge Ball

1 * User Manual