HOBO* Wireless Temperature/Humidity Data Logger, measures and transmits temperature and relative humidity data to mobile devices through Bluetooth low energy technology over a 100-foot range, Memory for 84,000 measurements, Accuracy: +/- 0.2C and +/- 2%RH
HOBO* Temperature Data Logger, weatherproof data logger with built-in temperature and relative humidity sensors, enables easy, fast set up and data download directly from your mobile device, Visual alarms alert, Accuracy: +/- 0.2 DEG C