This Sound Level Meter is a versatile and reliable tool for monitoring and analyzing noise levels between 30 and 130 dB The R8075 features a high-resolution color TFT touchscreen display, user-selectable recording times, programmable alarm set points, a built-in desk stand and wall mount bracket High accuracy of ±1.4 dB meets Type 2 standards Fast & Slow time weighti Digital analog bargraph 7" (178mm) high-resolution color TFT LCD (1024 x 600 pixels) User adjustable high and low alarms Internal 16GB memory stores data points in CSV form User selectable sampling rate from 1 second to 24 hours Internal time and date stamp Rechargeable Li-ion battery Built-in desk stand and wall mounting bracket Low battery indicator Data Logging / Not Data Logging Data Logging Dynamic Range 50 dB Frequency Range 31.5 Hz to 8 kHz Frequency Weighting A/C Measuring Range 30 - 130 dB Operating Temperature 14 to 104°F (10 to 40°C) Resolution 0.1 dB Response Time 500 mS