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
HOBO* External Temperature/ RH Sensor 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, Accuracy: +/- 0.2 DEG C and +/- 2.5% RH
HOBO* Light On/Off Data Logger, monitors indoor light changes with an internal sensor and records light on and off conditions, making it ideal for building energy audits and light usage analysis, with standard 128 KB memory model