UNI-T decibel meter sound level reader UT353. Measures from 30 dBA to 130 dBA. +/- 1.5 dBA with 0.1 dBA resolution. User-friendly interface. White backlight and clear LCD screen for easy visibility in dark situations Lightweight Compact. Easy to carry and store. Ergonomic design. Comfortable grip. 1/2 inch condenser microphone and wind screen foam. Short press HOLD/BL to record or exit data hold. Long press HOLD/BL to turn backlit on or off Customized Precise. Adjustable sampling time. Press FAST/SLOW to select between fast time of 125 ms and slow time of 1 s. Press Max/Min to switch maximum, minimum, or normal value measurement Versatile Reliable for personal and company uses. Widely used in noise detection, quality control, health control, environmental noise measurement in factory, industrial, traffic, office, home audio, music recording, neighbor noise complaints, speech therapy, etc What you get: UT353 Sound decibel meter x 1, User manual x 1, Packaging box x 1 Easy access to UNI-T 7/24 1 to 1 user support. If you encounter any problems during use, please contact us first (via e-mail) and our customer service team will deal with your problem as soon as it is received