HOBO Data Logger UX100 series Video
http://www.onsetcomp.com/ Learn about this low-cost and accurate temperature, humidity, and thermocouplers data logger series. New logging benefits include minimum, max, average and standard deviation recording, real-time feedback, and faster recording modes. Faster response times and visual alarms are also available. Loggers in this series come with mounting tabs for zip ties, a one-year lithium CR22 battery, and four rare-earth magnets for mounting.