2X Decibel Meter — Sound Level (SPL) Reader with Humidity & Temperature for Classroom Monitoring

Overview: A wall-mountable digital sound level meter designed for continuous classroom monitoring or general use around the home. Provides decibel, humidity and temperature readings on an extra-large backlit LCD for easy visibility day or night. Accuracy & Ranges: Decibel Level Measuring Range: 30~130dB, Accuracy: ±1.5dB; Frequency response range: 50Hz ~8.5KHz; Temperature Range: 14~140°F; Humidity Range: 20~85%. Auto Alarm Display: The meter’s noise alarm face automatically changes based on measured SPL: [Green ]Less than 60dB; [Yellow ]60~75dB; [Orange ]75~85dB; [Red ]More than 85dB — making it simple to see when sound levels cross important thresholds. Display & Installation: Features a high-definition, backlit LCD for clear readings. Can be mounted on a wall for ongoing monitoring or placed on a surface thanks to its flat-bottom design. Power & Placement: Equipped with a 10ft power cord for flexible installation locations and also runs unplugged for hours using its 2000MaH battery, letting you use it as a standalone unit anywhere needed. Use Cases & Extras: Ideal as a classroom noise meter, a home theater SPL meter near a TV, or a monitor in a garage workshop. Bonus HUMIDITY and TEMPERATURE readouts are built in, and the unit offers 3 ADJUSTABLE SPEEDS (1. Fast 2. Medium 3. Slow) for selectable response behavior.