Wall-mounted decibel meter with 9.6-inch LCD display, 30-130 dB sound level meter for office use, 21x13cm

Features:1.Decibel meter: Measuring range of 30 to 130dB with an accuracy of ±1.5dB and a frequency response range of 31.5Hz to 8.5kHz.
2.Large display: Our digital sound level meters are equipped with a 9.6-inch high-definition backlit LCD screen, allowing you to easily read the readings at your convenience throughout the day.
3.Wall mountable: Sound level meter with mounting holes on the back, easy to install, widely used in homes, offices, hospitals, hotels, laboratories, and other locations.
4. Alarm alert: The indicator light flashes when the alarm is activated, accompanied by a beep. The alarm time and volume are adjustable.
5.Sleep switch: Briefly press the horn button to turn off the alarm; the red indicator light will turn off. Then, briefly press the horn button again to turn the alarm on; the red indicator light will turn on.
6.Key Function: On/Off button: Press briefly to turn on, press and hold to turn off.Down button: Press briefly to decrease the value during adjustment, press and hold to decrease continuously.Up button: Press briefly to increase the value during adjustment, press and hold to increase continuously.Alarm ON/OFF button: Press the ON/OFF button briefly to activate the setting.

Specifications: Item Type: Wall-Mounted Sound Level Meter Material: ABS Measuring Range: 30-130 dB Accuracy: ±1.5 dB (based on a standard sound source, 94 dB at 1 kHz) Frequency Response: 31.5 Hz-8.5 kHz Frequency Weighting: A-weighted Response Time: Fast Microphone: 6 mm Condenser Microphone Digital Display: 3 Digits Resolution: 0.1 dB (< 100 dB) 1 dB (> 100 dB) Alarm Alert: Supported Alarm Output: Supported Storage Function: Not Supported PC Communication: Not Supported Display: 9.6 inches (24.4 cm) Power Supply: MicroUSB Interface DC5V 1A Operating Temperature and Humidity: 0-40°C, 10%-80% RH Storage Temperature and Humidity: -10-60°C, 10%-70% RH HR

Package List:1 x Wall Decibel Meter
1 x Charging Cable
1 x Instructions
Note:In normal measurement mode, press and hold the horn button to enter alarm setting mode, adjust the alarm value using the up and down buttons, briefly press the horn button to save the alarm value, or briefly press the power button. To cancel the alarm setting. To cancel the setting.
Tips: 1. Do not use the meter in an environment with high temperature and high humidity. 2. Do not use the meter near corrosive materials. 3. Do not use the meter in conditions where it may be splashed with water. 4. Do not use the meter in a very dusty environment. 5. Do not use the meter in an environment containing chemical gases.