This standalone USB temperature data logger can take more than 16,000 readings over a -35 to +80°C (-31 to +176°­­F) measurement range. Easily set up the logger and view downloaded data by plugging the unit into a PC’s USB port and using the free EasyLog software provided. Data can then be graphed, printed and exported to other applications for detailed analysis. Supplied with ½ AA battery and wall mount clip. Calibration certificate available to purchase separately.