<p>Portable Sound Level Meter: A small and handy tool ideal for noise monitoring, home theater setup, health and safety compliance, vehicle noise testing, etc.</p> <p>HD Digital LCD Display: Large, readable LCD screen with backlight, which can quickly display the measurement, clearly and easily readable.</p> <p>Power Source: 3 AAA batteries (included), low battery indicator, automatic shutdown without operation after 10 minutes, convenient and energy saving.</p> <p>Multi-function: Measuring range from 30 to 130 dBA. Maximum/Minimum/Data Hold function - Automatic shutdown - Battery indicator: directly check the remaining battery.</p> <p>Widely Uses: Designed to meet the measurement requirements of sound quality control in various environments. Ideal for testing music recording, neighbor noise complaints, industrial settings, office settings, voice therapy, and more.</p> <p>Features:</p> <p>Range: 30-130 dBA. Accuracy: ±1.5 dB. Resolution: 0.1 dB - Frequency Range: 31.5 Hz ~ 8 kHz. Sampling Rate: 2 times/sec. Microphone: 1.27 cm Electret Condenser Microphone.</p> <p>Quantity: 1 Pc</p> <p>Note: This does not include other things, the color is based on the first picture, and the other pictures only show the effect.</p> <p>Due to the differences between different monitors, the picture may not reflect the actual color of the item.</p> <p>Due to manual measurement. Please allow the deviation. Thank you!</p>