SMART LOGGER (single)Discrete, Accurate with Free App The Smart Logger is a discrete Bluetooth temperature and humidity data logger. Captures, records, and sends up to 12,000 readings or 300 days of ambient temperature and relative humidity data. The Smart Logger monitor incorporates the latest Bluetooth technology and works in tandem with the Smart Logger app, which can be downloaded for free at the Apple Store or Google Play. The app connects the Smart Logger monitor