Check the listing for details. Temperature & Humidity Data Loggers External Temperature and Humidity Sensor. Condition: New. Listed at 120.00 USD. Temperature & Humidity Data Loggers External Temperature and Humidity Sensor Shipping policy : Battery can not be included during the shipping1.1. 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±5%RHTemperature Measurement Range40~+85℃ Humidity Range0~100%RHSensor typeexternalResolution0.1°C / 0.1%RHAutomatic 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