About this item: Item Name: Total Digital Sound Level Meter TETSL01 Measuring range:30-130dB Dynamic range:50dB Sound pressure accuracy:±1.5dB(94dB@1KHz) ,±1.5dB(94dB@8KHz) Frequency response:30Hz-8KHz Microphone:Polarized capacitance microphone With backlight function With lower battery indication function Packed by color box
