Sensor Efficiency:- Effective wireless connection within 80 meters open space.- PIR detection distance: 3 meters- Temperature range: 0 - 50°C- Humidity range: 20% - 90% RHThe IC-5170SC’s dual temperature and humidity sensor keeps you aware of micro climate changes in your environment. People often receive daily weather reports to choose clothes for warm or cold weather outside but don’t know much about indoor conditions. With betterawareness of temperature and humidity levels inside, you can be much more comfortable at home and prevent family from discomfort or health issues caused by dry air or moisture problems. An indoor sensor is an excellent tool to monitor and manage the temperature and humidity inside your home.The sensor can also be easily fitted into any space where temperature and humidity levels are important to prevent damage to items. You can protect plants, leather, toys and computer, communications or consumer electronics from excessive heat, cold or humidity with the remote monitoring and alerts capability of the sensor.- Transmits temperature and humidity information wirelessly.- Automatic alerts to inform you when temperature or humidity degrees exceed or below your setting.