1、Mini digital sound level meter with stable and reliable performance. 2、Wide measurement range from 30dB to 130dBA. 3、Fast and slow sampling rate for choice: 125ms or 1s. 4、Data hold function, maximum and minimum value measurement. 5、LCD display with backlight, convenient to use at night. 6、Low battery indication, automatic \u0026 manual power off function. 7、Compact and light, convenient to hold and carry. 8、Equipped with sponge ball for sensor conservation. 9、Mini digital sound level meter with stable and reliable performance. Wide measurement range from 30dB to 130dBA. 10、Fast and slow sampling rate for choice: 125ms or 1s. Data hold function, maximum and minimum value measurement. 11、LCD display with backlight, convenient to use at night. Low battery indication, automatic \u0026 manual power off function. 12、Mini digital sound level meter with stable and reliable performance. Low battery indication, automatic \u0026 manual power off function. 13、Wide measurement range from 30dB to 130dBA. Compact and light, convenient to hold and carry. 14、Fast and slow sampling rate for choice: 125ms or 1s. Equipped with sponge ball for sensor conservation. 15、? Mini digital sound level meter with stable and reliable performance.