Features: Capacitive microphone sensor: High-precision sensor with excellent sensitivity and accuracy. Large LCD backlight display: It adopts high-intensity backlight screen, which can easily cope with harsh environments such as strong light/night. Windshield design: more accuracy sound collection, filtering the impact of wind on sound. Multifunction Design: It can measure and record the maximum and minimum values, supports data retention, with automatic shutdown and low battery indicator functions, convenient and practical to use. Comfortable Grip: Soft rubber keys design, and the anti-slip sides ensure the decibel meter is easy to grip, comfortable to use, not easy to wear. Color LCD display with backlight can provide clear reading for you. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Instrument size: 150*50*30mm Material: ABS Measuring range: 30130dB Accuracy: ±1.5dB Display resolution: 0.1dB Batteries: 3 AAA batteries Working temperature/humidity: 040°C/1090RH Storage temperature/humidity: -1060°C/1075RH Package List: 1 x Noise Detector