Extech 42275 Compact Datalogger for Temperature and Humidity Kit

Extech 42275 Temperature and Humidity Datalogger Kit features: Compact, powerful and easy to use - records up to 16,000 readings; Records Relative Humidity and Temperature in storage containers, shipping vans, freezers and more; Logs data for days, weeks or months up to 1 year battery life; Multiple Data loggers can be programmed and data downloaded from one single docking station; Programmable sampling rate from 1 second to 2 hours; Program the logger, analyze and store data using Windows 95/98/2000/NT/ME/XP compatible software; View both humidity and temperature on LCD display.