Wall Hanging 3 in 1 Decibel Meter — Noise, Temperature & Humidity Monitor, 30 to 130dB, 11in Large LED Display — Classroom Sound Level Meter

A wall-hanging 3 in 1 instrument that continuously monitors sound level, air temperature and humidity — ideal for classroom environments. It provides accurate noise measurement across a 30 to 130dB range and displays readings on an 11in large LED display screen for easy viewing from a distance. Designed for permanent mounting, this noise decibel meter keeps teachers and facility managers informed of ambient conditions at a glance, combining sound level monitoring with temperature and humidity information in a single device.