Check the listing for details. Temperature Data logger LBR531-4011. Condition: New. Listed at 114.75 USD. LBR531-4011 Temperature datalogger, battery powered, CH1? The inside is build temperature sensor, 4- 1/2 digit 19999 LCD display, 16-bit A/D, Frequency of measurement : 10 Second to 59 Minutes, Miniature size:8.6 x 4.5 x2.5cm, BR531-4011 is a temperature data logger, which is light and handy but firm and solid. We could operate it in every place. One button to operate. Power Source: CR2032 battery 1 pcs. Save the electricity and lengthen the battery using time. Data logging capacity: 9999 sets per channel. Data will be saved even it is running out of power. Data logger can be connected with PC through USB cable. And it can downloading the data and set up the internal functions. Software is easy to operate. Features: The five sections battery electricity shows symbols. CH1– The temperature sensor. Windows XP (32-bit), Windows 7 (32-bit/64-bit). Low cost, User-friendly, Miniature size:8.6 x 4.5 x2.5cm.