Features Large LED Display: The 11in adjustable LED screen provides clear visibility of real-time decibel levels, temperature, and humidity for easy monitoring in any setting Smart Noise Alerts: The auto alarm icon changes color based on sound levels, ensuring you are instantly aware of noise issues with intuitive visual feedback Multifunctional Measurement: This device accurately measures sound from 30 to 130 decibels, along with temperature and humidity, making it a comprehensive monitoring tool Long-lasting Power: Equipped with a 2000mAh Li-ion battery and a 9.8in (300cm) USB charging cable, enjoy extended usage without the hassle of short cables Versatile Placement Options: Designed for wall hanging or tabletop use, this meter is perfect for traffic routes, construction sites, homes, and offices to monitor noise levels effectively Features: 1、[Large LED Screen] The 11in adjustable brightn LED display allows you to see real time levels of decibels, temperature and humidity. 2、[Auto Alarm Icon] The noise alarm icon will switch automatically when the decibel level is different, green means l than 60dB, yellow means 60 to 75dB, orange means 75 to 85dB, red means 85dB or more. 3、[Multifunctional] This versatile noise meter can measure sound from 30 to 130 decibels, as well as humidity, temperature, and accuracy. 4、[Long USB Cable] The noise meter is powered by a 2000mAh Li ion battery and comes with a 9.8in (300cm) long USB cable for charging without worrying about the USB cable being long enough. 5、[Wide Application] This decibel meter can be hung on the wall or placed on a table and is ideal for testing sound levels on traffic routes, construction sites, homes, and offices. Specification: Item Type: Wall Hanging Sound Level Meter Material: ABS Display Method: LED Display Atmospheric Prure: 12.5 PSI - 15.4 PSI Sampling Time: 1.5 S Temperature Range: -10℃ -50℃ Storage Temperature: -10℃-60℃ Relative Humidity: 20% - 85% Humidity Range: 20%-85% Accuracy: ±5% Charge: 5V 1000mAh Battery: Lithium ion battery 2000mAh (built in) Battery Modle: 103450 Concentration Unit Decibel: dBA Measurement Range: 30-130dBA Accuracy: ±1.5dBA Frequency Range: 50Hz-8.5kHz Frequency Weighting: A Resolution: 0.1dBA Frequency Response Range: 50Hz-8.5KHz Temperature Range: -10-50℃ Accuracy: ±1.0℃ Package List: 1 x Wall Hanging Sound Level Meter 1 x USB Charging Cable 1 x Hole Sticker 2 x Screw 2 x Expansion Screw 1 x Instruction Package List 1 x Wall Hanging Sound Level Meter 1 x USB Charging Cable 1 x Hole Sticker 2 x Screw 2 x Expansion Screw 1 x Instruction