Item Type: Decibel Meter <br>Material: ABS <br>Model: NF 562 <br>Noise Measurement Range: 30 to 130dB <br>Noise Measurement Accuracy: ±1.5dB <br>Noise Measurement Resolution: 0.1dB <br>Sensor: Capacitive Microphone <br>Sampling Rate (FAST): 125ms <br>Sampling Rate (SLOW): 1s <br>Display: HD LCD <br>Automatic Shutdown: 5 Minute Automatic Shutdown Without Operation <br>LCD Backlit: Yes <br>Battery: AAA x 3 (Shipped Without Battery)<br>1、BACKLIT LCD SCREEN: Equipped with a backlit LCD screen, this digital noise tester is very convenient to use in dark or low light environments, ensuring easy readability at all times. <br>2、HIGH ACCURACY MICROPHONE: Featuring a 1/2 inch capacitive microphone, this sound level meter boasts high accuracy, sensitivity, and rapid instantaneous response for accurate noise measurements. <br>3、VISUAL AND AUDIBLE ALARM: When the measured noise level exceeds or falls below the set thresholds, the screen background turns red, and the measurement value flashes to provide visual and audible alarm cues. <br>4、AUTO POWER OFF: The sound meter automatically shuts off after 5 minutes of no operation, conserving battery life for longer usage. <br>5、VERSATILE APPLICATIONS: Mainly used for environmental monitoring in residential areas, construction sites, factories, restaurants, entertainment venues, and various other settings.<div>1 x Decibel Meter</div><div>1 x Instructions</div>