Dm1306d Digital Decibel Sound Meter Smart Noise Detector 30-130db Temperature and Humidity Meter

Display: LED screen Atmospheric pressure: 86Kpa - 106Kpa Sampling time: 1.5 seconds Detection temperature: -10C to 50C; Relative humidity: 20% - 85% Storage temperature: -10C to 60C; Power supply: 2000 mAh capacity lithium battery; 5V DC power charging Product weight: 350g Measurement range: 30~130dB Noise detection: Electret condenser microphone Processor: ARM, high-speed complex calculations Color: black+white Material: ABS Size: 270 x 90 x 35mm Package contents: 1 x Decibel meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.