Decibel Meter, 4 in 1 Digital Sound Level Meter with Temperature & Humidity Display LED Screen Noise Monitor for Home, Baby Room, Library, Office

• 【4-in-1 Decibel Meter】This 4-in-1 decibel meter not only measures noise levels, but also provides real-time temperature and humidity readings on an LCD screen, helping you better understand and manage your environment. It can also be used as a clock with accurate timekeeping.
• 【LCD Display】The desktop decibel meter features an extra-large LED display that clearly shows the reading. The screen brightness can be manually adjusted by pressing the left button to decrease the brightness and the right button to increase the brightness. You can adjust it at any time according to changes in the background light.
• 【Accurate Measurement】With a sound level range of 30-130 dB and an accuracy of ±1.5 dB, this meter covers frequencies from 35 to 8.5 kHz. It also accurately measures humidity (20-85%) and temperature (-10°C-60°C). Please note that a deviation of 0-15% in the measured values is considered normal due to varying environmental conditions.
• 【Long-lasting Battery Life】Powered by a built-in rechargeable 2000mAh Li-ion battery, this decibel meter offers 24 hours of continuous operation after a 2-hour charge, making it ideal for long-term monitoring without frequent recharging.
• 【Wide Applications】It is suitable for use in bedrooms, living rooms, and other home environments. It can also be used in classrooms, libraries, offices, and other public places. It allows you to know the noise level in real time and minimize noise pollution.

1. 4-in-1 decibel meter: Using acoustic chips and precise measurement technology, it displays real-time readings on the LCD. 2. Accurate measurement: The noise measurement range is 30 dB to 130 dB, with a measurement accuracy of ± 1.5 dBA and a display accuracy of 0.1 dBA. It monitors and provides accurate data on ambient sound levels in real time. 3. Supports desktop placement, takes up less space, and requires no handheld operation, making it more convenient to use. 4. Battery power: This decibel meter features a 2000 mAh rechargeable Li-ion battery. Charging takes 2 hours, ensuring continuous use for 24 hours. 5. Temperature and humidity detection: The temperature measurement range is 14-140°F (-10-60°C), and the humidity measurement range is 20%-85%. Press the left and right buttons to adjust the screen brightness to your desired setting, convenient and practical. 6. Compact and practical: This decibel meter is portable, so you can place it anywhere you need, be it in the office, workshop, school, or home. It provides intuitive noise data and helps you maintain a comfortable living and working environment. Technical Specifications: Item Type: Decibel Meter Display Type: LCD Screen Noise Measurement Range: 30-130 dB Accuracy: ± 1.5 dB Frequency Range: 50 Hz-8.5 kHz Display Accuracy: 0.1 dB Sampling Time: 1.5 seconds Temperature Measurement Range: 14°F-140°F (-10°C-60°C) Humidity Measurement Range: 20%-85% Charging: 1A/2A 5V (USB) Battery: 1 x 2000mAh Rechargeable Li-ion Battery (Built-in) Package Contents: 1 * Digital Decibel Meter