Featuring ABS body with a rechargeable battery , this environmental monitor operates in 10°C to 50°C temperatures and covers a 31.5Hz~8.5KHz frequency ranges , ensuring good for long term data collection and analysis 6 in 1 noise meter and detector for real time , simultaneous of pm 1.0 / 2.5 and pm10 , noise , temperature , and humidity with ±1.5 accuracy and 0.1dBA resolution , solving multi device switching issues for industrial grade environmental assessment With built in data logging to store historical records and alarm alerts for exceeding preset thresholds in noise or PM2.5 , this analyzers enables users to analyze trends and take proactive environmental measures Designed for factory workers , laboratory technicians , environmental agencies , and engineering teams , this device supports precise environmental control and needs across professional settings Suitable for scenarios like industrial workshops , outdoor inspections , quiet offices , hospitals , and noisy construction site , it adapts to 30 130dB noise levels for seamless environmental compatibility, Manufacturer: AMISENK