About This

• 3-in-1 Precision Measurement: This advanced decibel meter integrates an acoustic chip for real-time monitoring, simultaneously displaying sound levels, temperature, and humidity on its LCD. It responds instantly to environmental changes, providing comprehensive data at a glance.
• Wide Measurement Ranges: Engineered for accuracy, this db meter measures sound from 30-130 dB (±1.5dBA) with a display accuracy of 0.1dBA, temperature from 14-140°F (-10-60°C), and humidity from 20%-85%. It delivers reliable, precise readings for a variety of professional and personal applications.
• Large Backlit LCD Screen: Features a large, clear digital display with adjustable brightness for easy reading in any light. A convenient button lets you instantly switch between °C and °F, enhancing the practicality of this versatile sound level meter.
• Long-Lasting Rechargeable Battery: Powered by a built-in 2000mAh battery, it provides up to 24 hours of continuous use after a quick 2-hour charge via the included Type-C cable. The LED indicator clearly shows status: red while charging, green when fully charged, making this noise monitor for classroom both convenient and reliable.
• Compact Portable Design: This small, portable meter is perfect for desktop use anywhere. Its space-saving design makes it an ideal classroom noise monitor for offices, factories, studios, libraries, and homes, providing clear data wherever it's needed.