• Accuracy: +/- 0.2-deg C and +/- 2.5 percent RH
• Convenient wireless setup and download via Bluetooth Low Energy (100-foot range)
• Retrieve data in hard-to-reach locations
• Visual alarms alert you to out-of-range conditions
• Compact, weatherproof housing with built-in mounting
• View current data in real time with Onset’s free HOBOmobile app
• Share downloaded data easily from your mobile device

The HOBO by Onset MX2301 is a weatherproof data logger with built-in temperature and relative humidity sensors. Leveraging Bluetooth Low Energy, the logger enables easy, fast set up and data download directly from your mobile device and provides high-accuracy measurements in harsh outdoor environments. Remotely access your data in Onset’s cloud-based HOBOlink software with the new MX Gateway.