Designed for areas with limited access, Onset HOBO MX1101 measures and transmits environmental data (temperature/RH data) wirelessly to mobile device via Bluetooth Low Energy (BLE) technology. Self-contained unit works with HOBOmobile® app, which is available for iOS or Android and facilitates configuration and management. Solution offers real-time visual and audible high and low alarm thresholds, and data can be downloaded from up to 100 ft away.