Digital 4 In 1 Sound Level Meter Temperature & Humidity Meter 30~130db with USB Data Logging

Features: 6. Connects to a computer via USB cable, allowing you to download recorded data, collect samples and print charts and reports. Specifications: Measuring Range: 30-130dB. Accuracy: ±1.5dB (standard sound source 94dB@1KHz). Frequency respond range: 31.5Hz-8.5KHz. Frequency Weighting: A Weighting (Ambient noise). Response: Fast. Microphone: 6mm condenser microphone. Digital Display: 3 digits. Alarm (sound+Display): yes. Alarm clock: yes. Time Display: 24-hour system. Temperature Display: 2digits. Humidity Display: 2digits.