The LR490 Dual sensor is a wireless temperature and humidity sensor with LoRaWAN support. The Dew point is easily calculated using the temperature and humidity parameters of LR490 inside the Vutlan web interface.Sensor designed with Class A, ver. 1.0.3. RH accuracy is ± 3%, temperature accuracy is ± 0.5°C. Built-In theft attempt sensor. The device uses a 3.7V ER14335 battery, which has a service life of 10 years in an operating temperature range of -10°C to +80°C.