Meets IEC 61672-1 Class 2 requirements Records up to 64,000 datapoints (1MB) 60dB dynamic space in each range Real time clock and calendar Fast/slow time weighting Min/Max function USB Interface Analog digital bar graph Backlit LCD display Tripod mount design for long-term monitoring Includes windscreen, USB cable, Windows software, batteries and hard carrying case Frequency Weighting: A and C Display Type: Digital Manufacturer Part Number: R8080 Measuring Range: Low (30-90 dB), Medium (50-110 dB), High (70-130 dB) Dynamic Range: 60 dB Accuracy: ±1.4 dB Resolution: 0.1 dB Sample Rate: 0.1 dB Frequency Range: 20 Hz to 8 kHz Time Weighting: Fast/Slow Microphone: 1/2" electret condenser Power Supply: 4 x AAA batteries Max. Power Supply: Up to 64,000 records (1MB)