Keenso Accurate Digital Decibel Meter Desktop Sound Level Meter 30-130dBA for Home School Library

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About this item [INTEGRATED DESIGN] Acoustic chip technology displays noise, temperature, and humidity on LCD screen simultaneously [ACCURATE READINGS] Noise measurement range 30-1 30dBA with ±1.5dBA accuracy, ensures reliable sound level monitoring [USER-FRIENDLY] Large LCD screen with backlight for easy reading, supports desktop placement for convenience [EXTENDED USAGE] 2000mAh rechargeable li battery for 24-hour continuous use, comes with Type C charging cable [ALL-IN-ONE MONITOR] Temperature range 14-140℉, humidity range 20%-85%, adjustable screen brightness for personalized settings Show more