Feature:1. Sound level meter, adopts 4 bit color LCD display, visual display of measurement results.2. With wide measurement range from 35dB to 135dB, easy to operate and use.3. Designed to monitor sound quality in various environment, reliable measurement.4. Suitable for noise control engineering, quality control, home environment monitoring, etc.5. Small and compact, lightweight, easy to carry, with high accuracy, durable and longlasting.Specification:Item Type: Noise TesterMaterial: PVCProduct Model: TDC801Measuring Range: 35dB-135dBDisplay: 4-Digit Color LCD DisplayBattery Type: 3 x 1.5V AAA (Battery Not Included).Package List:1 x Noise Tester (Battery Not Included)1 x Manual1 x Cloth Bag