The TandD TR72A-S is a wireless wide range temperature and humidity data logger featuring cloud connectivity. Data is sent to the free TandD WebStorageService cloud via your existing WIFI network. Additionally, Bluetooth connectivity allows for connection to your mobile device and easy setup using the T&D Thermo app. The TR72A-S can measure and record temperature ranging from -25°C to +70°C and humidity from 10% to 99% rH. The integrated LCD allows for the simultaneous display of either the current values of each channel, the highest and lowest values of temperature, or the highest and lowest values of humidity. The display also features an ALM icon to show the presence of an alarm excursion. Alarm notifications can also be received via email when used with the cloud service. The TR72A-S is perfect for monitoring environmental conditions in warehouses and storage facilities, museums, schools, and homes.