<div>Model	-	RH-9604</div><div>Sound pressure accuracy	-	±1.5dB(94dB@1KHz)、 ±5dB(94dB@8KHz)</div><div>frequency response	-	30Hz - 8KHz</div><div>dynamic range	-	50dB</div><div>measuring range	-	30 - 130 dBA 30 - 130 dBC</div><div>measuring levels	-	level 2</div><div>Weighting properties	-	A/C</div><div>Dynamic characteristics	-	FAST 125ms, SLOW 1sec</div><div>Microphone	-	Polarized capacitance microphone</div><div>Microphone Diameter	-	38.3 × 13 Mm</div><div>Sponge ball Material	-	EPE</div><div>Power Source	-	3*1.5V AAA batteries</div><div>Low battery indication	-	YES</div><div>DisplayType	-	LCD</div><div>Auto Power Off	-	After 600 Sec</div><div>Body Material	-	ABS+TPE</div><div>Body Size	-	189 × 60 × 33 Mm</div><div>USB Port type	-	Micro USB</div><div>USB Data transfer	-	YES</div><div>Weight	-	178g</div><div>Supplied in	-	color Box</div><div>Includes	-	batteries,Cloth bag,user manual,disk,USB cable</div>