A standalone USB temperature data logger which can store over 32,000 readings. The logger is supplied with a cap, a pair of screw terminals, and measurement leads terminating in crocodile clips. The logger is easy to set up. Simply plug the device into a PC’s USB port and, using the free Easylog software provided, you can then view, graph, print and export your downloaded data for thorough analysis. The EL-USB-4 comes with ½ AA battery and wall mount clip.