decibel meter sound level reader UT353. Measures from 30 to 130 . +/- 1.5 with 0.1 resolution. User-friendly interface. White backlight and clear LCD screen for easy visibility in dark situations & Compact. Easy to carry and store. Ergonomic design. Comfortable grip. 1/2 inch condenser microphone and wind screen foam. Short HOLD/BL to record or exit data hold. Long HOLD/BL to turn backlit on or off Customized & Precise. Adjustable sampling time. FAST/SLOW to select between fast time of 125 ms and slow time of 1 s. 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, office, home audio, music recording, neighbor noise complaints, speech therapy, etc Power supply: 3 x AAA batteries (not included) Color: Red Material: plastic Package Contents: 1 x Decibel meter 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.