Check the listing for details. Temperature Data Loggers Measurement Range 50 Square Meter Real-time Display. Condition: New. Listed at 92.00 USD. Temperature Data Loggers Measurement Range 50 Square Meter Real-time Display Shipping policy : Battery can not be included during the shipping 1.1. Instroduction 1, Sensors imported from Switzerland, to ensure the precise and reliable measurement .2, Measure temperature and humidity with high precise measuring, to help you to make a professional assessment 3, LED display, real-time temperature showing and history MAX /MIN review. 4, Max / Min data setting by software. very easy to use.5, Super size memory, up to 43,000 records 6, Support deviation calibration function, to fit different actual environment using.7, Exteral sensor is IP68 water proof, dust proof .8, Comes with Logpro software, for insturment to download and analysis on computer by USB cable. 1.2. Technical Specifications Model ListModel Temperature Accuracy±0.5℃Humidity Accuracy/Temperature Measurement Range-20 ~ 70℃/-4℉ ~ 158℉ Humidity Range/Sensor typeInternaResolution0.1°C Automatic Recording Capacity43,000BatteryAAA Battery 1.5V*2(not included)Typical battery life6 monthsDimension92mmx57mmx20mm(3.62''x2.244''x0.78'' inch)LCD size36mmx16mm(1.41''x0.62'' inch)Waterproof levelIP54Weight150gStandard Accessoriesuser manual, software,USB cable