Wall-Mount Sound Level Meter 9.5" Large LCD — Digital SPL Decibel Tester 30–130dB, A/C Weighting, USB DC 5V 1A, Alarm & Max/Min

Large 9.5" full-screen LCD with bold red digits for immediate, easy reading. Designed for continuous 24-hour real-time noise monitoring; can be hung on the wall (recommended) or placed on a desk. Power via DC 5V 1A USB. Measurement specs: range 30–130 dB, frequency 31.5 Hz–8 kHz, resolution 0.1 dB / 1 dB, accuracy ±1.5 dB. Supports both A and C equivalent weighted sound pressure levels and offers Fast and Slow dynamic response modes. Includes maximum and minimum value capture. When the measured level reaches the preset alarm threshold the unit emits a buzzer and flashing alert; the reading is held for 3 seconds before returning to normal display. Ideal for personal use, households, businesses, schools and industrial noise monitoring.