Feature: 1. Handheld sound level meter, with LCD display, supports backlighting, clear readings, intuitive display of data, no parallax. 2. Using high quality sensors, high measurement accuracy and stable performance, it is a professional decibel measurement tool. 3. It adopts dual analog signal output, the measuring range is 30‑130dBA, 35‑130dBC, and supports AC DC signal output. 4. Non slip silicone button design is comfortable to the touch, simple to operate, meets a variety of needs, and widely applicable. 5. Small and portable, suitable for factories, schools, hospitals, shopping malls, hotels, theaters, offices, road traffic, home audio. Specification: Item Type: Sound Level Meter Material: ABS Product Model: HY-1361 Measuring Range 30-130dBA 35-130dBC Measurement Accuracy ±1.5dB Frequency Response 31.5HZ-8.5KHZ Dynamic Range 50dB AC Signal Output √ DC Signal Output √ Auto Shutdown Function Short press the power button No Shutdown Function Long press to boot until LCD flashes Low Voltage Display Function √ Overload Display √ Digital Display 4 digits Resolution 0.1dB Dynamic Characteristics Fast/slow Microphone 1/2 inch condenser microphone Frequency Weighting Characteristics A/C weighting Measurement Gear Selection 6 gears Maximum Lock √ LCD Refresh Frequency 2 times/sec Product Color Ivory Application Scenarios: Volume measurement applications in various occasion such as factories, schools, hospitals, shopping malls, hotels, theaters, offices, road traffic home audio, etc. Battery: 4 x AA Dry Batteries (Battery Not Included). Package List: 1 x Noise Meter (Battery Not Included)1 x CD1 x USB Cable1 x Manual