RISEPRO Decibel Meter, Digital Sound Level Meter 30 &ndash; 130 dB Audio Noise Measure Device 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 from 31.5 to 4Khz. Highly accurate with +/-1.5dB. TIME WEIGHTING & FREQUENCY WEIGHTING  FAST(125mS) for time weighting. TYPE A for frequency weighting. HOLD , MAX & MIN  Including all useful features such as data hold, max recorded reading and min recorded reading as well as auto power off. GIFT BOX PACKAGE - Black carrying pouch and premium color gift box are come with the meter.