Decibel Meter, Digital Sound Level Meter Portable SPL Meter 30dB to 130dB MAX Data Hold with LCD Di Features:Large LCD display with backlight for clear reading.Wide measuring range: 30-130dB.Sound level measurement with stable and reliable performance.Low battery indicator, manual/automatic shut-off.Portable and easy to use, suitable for sound quality control in factory, traffic, car, baby room and audio system office, home, school and construction site.The digital display is a 4-digit LCD display with a resolution of 0.1 dB. Large LCD digital display with backlight, the reading effect is clearer in dark places.When the battery charge is low, a battery symbol appears on the LCD panel indicating that the battery charge is low at this time and a new battery needs to be replaced.This sound pressure level meter is lightweight and easy to carry.LCD Screen Low Battery Indicator Convenient and Lightweight