Decibel Meter, BAFX Products Digital Sound Level Meter Portable SPL Meter 30dB to 130dB MAX Data Hold with LCD Display Backlight A/C Weighted for Home Factories The measuring range of the sound level meter is 30dB to 130dB . Highly accurate with 2.0 dB. Real-time monitoring can give you accurate data on the sound level in the area.The A weighted simulates the frequency characteristics of low-intensity human ear noise, which is suitable for the detection of ambient noise. More professional measurement methods provide users with a more perfect user experience. The digital display is a 4-digit LCD display with a resolution of 0.1 dB. Large backlit LCD digital display, the reading effect is clearer in dark places. When the battery is low, the LCD display will display a low voltage icon, indicating that the power is low at this point and the battery needs to be replaced. BAFX Products sound level meter is lightweight and easy to carry. It's widely used in factories, transportation, car, baby room and audio system offices, sound quality control in homes, schools, and construction sites. Decibel Meter, BAFX Products Digital Sound Level Meter 30 130 dB Audio Noise Measure Device Backlight MAX/MIN, Data Hold Auto Power Off Dual Ranges HT-80A USEFUL TOOL IN YOUR WORK LIFE This sound level meter is a great tool for checking, monitoring or controlling the sound level of any environments. It is widely applicable for personal, families, business, studies, industrial and etc. WIDE RANGES ACCURATE MEASUREMENT It measures range from 30 130 dB with frequency range. Highly accurate. HOLD , MAX MIN, AUTO POWER OFF, BACKLIT Including all useful features such as data hold, max reading and min reading as well as auto power off. Backlit feature allows use of this meter in the dark. FEATURES - Automatic backlit display for easy visibility in dark situations. MAX/MIN hold feature for measuring absolute high/low peaks. +/- 1.5dBA with 0.1dBA resolution measuring range of 30-130dBA. Automatic power off feature to save battery life (easily disablable). Sampling rate of 2x/Second. Up to 30 hours of continuous use on a single 9V battery. EASY - Super easy and simple to use. All readings are measured in dBA, the most common decibel reading for most all applications, home and commercial. Simply turn on and get a reading! Large easy to read backlit display with a MAX/MIN function to know the MAX and MIN dB levels recorded by the meter. AFFORDABLE - Our sound meters are designed with the general consumer in mind, made with the features required by most users while eliminating uneccessary features that only add to the cost that will not normally be used by most consumers. This way you will only be paying for what you really need in a sound meter, a decibel reading. VERSATILE - A great basic sound meter for use across the spectrum in many different fields from music recording, neighbor noise complaints, industrial settings, office settings, speech therapy more. WARRANTY - 1 Year no hassle manufacutrer warranty against all manufacturing defects with friendly and responsive USA based support staff who will be happy to help with any and all questions or concerns!