Digital Decibel Meter with Alarm, Wall Hanging Sound Level Meter 35dB to 135dB with Alarm Quiet Please

About this item 【Accurate Measurement】The sound level meter of the decibel meter is 35dB to 135dB. Highly accurate with ± 2.0 dB. Real-time monitoring can provide you with accurate data about the sound level in the environment. 【Alarm Function】Measure and display the number in real time according to the volume of the noise. If the sound exceeds the alarm value, “Quiet please” will be spoken as a reminder. In addition, you can choose whether to activate the alarm or not and set your own alarm value if necessary. 【Versatile Charging Options】 This decibel meter offers two charging modes: 6 AA batteries (included) or an AC adapter. It can be wall-mounted or placed on a table for easy use, eliminating the need for handheld operation like traditional sound level meters. 【Digital LCD Display】Large LCD digital display with backlight, the reading effect is clearer in dark places. High display quality, low eye damage, low power consumption, low radiation. 【Wide Application】The sound level meter can be used in various occasions, such as classrooms, studios, main roads, factories, construction sites, homes, offices, etc.