["The Milesight WS302-868M is a precise sound level sensor that measures ambient noise and transmits it wirelessly over the energy-efficient LoRaWAN network. Ideal for noise measurements in urban areas, construction sites, industrial plants and public facilities to comply with noise regulations and environmental monitoring. Ideal for noise measurements and environmental monitoring in cities, industrial areas, schools, hospitals and wherever reliable monitoring of noise levels is required. Supports compliance with noise regulations through continuous monitoring", "Measuring sound levels with high accuracy", "LoRaWAN 868 MHz for energy-efficient and wireless data transmission", "Robust IP65 housing for indoor and outdoor use", "Easy integration into IoT platforms and cloud systems", "Long battery life for low-maintenance operation", "User-friendly data visualization and alarm setting possible", "Model: WS302-868M", "Measured variable: sound level (dB)", "Communication: LoRaWAN 868 MHz", "Housing protection: IP65", "Battery life: Up to 5 years (depending on usage)", "Temperature range: -20°C to +60°C", "Dimensions: 120 × 80 × 40mm"]