FEATURES Generate PDF Report automatically and read PDF Report without any software and driver Can be used as a U-disk device, and can output PDF, DLG (data logger standard file type) or any other file types Product-related temperature/humidity monitoring along the entire cold chain so easily IP67 Waterproof High accuracy industrial grade sensors and components, high-quality and low cost For high precision temperature / humidity measurement, recording and monitoring Elaborate design makes it perfectly work in more application fields Replaceable long-life lithium battery and logged data will not be lost if battery exhausted Use DGraph software to setup logger name, sample rate, alarm limit, start method, view graph, and output report FEATURES Generate PDF Report automatically and read PDF Report without any software and driver Can be used as a U-disk device, and can output PDF, DLG (data logger standard file type) or any other file types Product-related temperature/humidity monitoring along the entire cold chain so easily IP67 Waterproof High accuracy industrial grade sensors and components, high-quality and low cost For high precision temperature / humidity measurement, recording and monitoring Elaborate design makes it perfectly work in more application fields Replaceable long-life lithium battery and logged data will not be lost if battery exhausted Use DGraph software to setup logger name, sample rate, alarm limit, start method, view graph, and output report