[Digital Sound Level Meter]: This sound level meter is a digital device that measures sound pressure levels in decibels (dB) and can accurately measure sound pressure levels in the range of 30-130dBA. [High Accuracy]: The sound level meter is designed to provide accurate measurements. [Suitable for Home, Classroom and Street]: The sound level meter is suitable for use in homes, classrooms and streets, allowing you to monitor the noise level in your environment. [Noise Decibel Reader]: The sound level meter is a noise decibel reader that can accurately measure sound pressure levels in the range of 30-130dBA. [Easy to Use]: The sound level meter is easy to use and comes with an LCD display for easy reading of the measured sound pressure level. Color: Black Material: Plastic Measuring Range: 30~130dB; Accuracy: 1.5dB (94dB@1KHz); Display Resolution: 0.1dB Package Contents: 1 x Digital Sound Level Meter Above package contents only, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the actual item. The measurement error is +/- 1-3cm.