Decibel Meter Wall Hanging, 11in Large LED Screen Sound Level Meter, Temperature Humidity Meter with Alarm Icons Indicator for Classroom, Home, Studio, Factory

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About this item MULTI-FUNCTIONAL DESIGN：This noise meter measures sound levels from 30 to 130 decibels while simultaneously monitoring humidity, temperature, and accuracy in one de vice. Its triple-monitoring capability captures real-time data at any moment, providing you with peace of mind. AUTO ALARM The noise meter automatically switches emoticon icons based on noise levels: green indicates < 60dB, yellow indicates 60 - 75dB, orange indicates 75 - 85dB, and red indicates > 85dB. LARGE LED SCREEN：This sound meter features an 11-inch LED display with adjustable brightness, ensuring precise data monitoring while delivering outstanding visual appeal. SIMPLE OPERATION：The decibel meter is powered by a 2000mAh lithium-ion battery and comes with a 9.8-inch (300 cm) USB cable. Simply plug it into your device to start using it, and you won't have to worry about the cable being too short during charging. WIDE APPLICATION：This dB meter can be hung on walls or placed on desks, making it suitable for measuring noise levels in locations such as traffic routes, construction sites, classrooms, factories, recording studios, offices, homes, and workplaces. Show more