"Measuring range:30-130dB
Dynamic range:50dB
Sound pressure accuracy:±1.5dB(94dB) ,±1.5dB(94dB)
Frequency response:30Hz-8KHz
Microphone:Polarized capacitance microphone
With backlight function
With lower battery indication function
With 3pcs LR03 AAA batteries
Packed by color box"