Multifunction Desktop Noise Meter 30-130db — Decibel Tester with Temperature, Humidity, Time & Alarm, Accurate ±1.5db, Easy Install, Long-lasting

Compact multifunction desktop noise meter for continuous monitoring of environmental sound, temperature, humidity and time, with an integrated alarm clock function. Regular exposure to everyday noises can disturb sleep, study and overall mental well-being — this device helps you identify and manage those sources. Measurement specifications: Noise: 30-130db, Accuracy ±1.5db; Temperature: 0-50, Accuracy ±1; Humidity: 0 -100%Rh, Accuracy ±3%Rh. Built with a capacitive microphone sensor featuring an ultra-thin metal vibration film and three conductive layers that define its frequency response and sensitivity. The lighter diaphragm ensures a faster response and practical instantaneous output. Designed for easy installation and long-lasting operation. Low Battery Prompt: Less than 3.6V ±0.1