Digital Wireless Indoor Outdoor Thermohygrometer Temperature Humidity Monitorwith 3 Remote Sensors

Features multiple data display, backlight and alarm function, calibration function, and so on. A perfect choice of temperature and humidity monitoring for baby room, bedroom, study room, office, greenhouse, wine cellar, warehouse, etc.Features:Wide ApplicationSuitable for indoor and outdoor, for bedroom, baby room, office, greenhouse, wine cellar, warehouse, etc. Totally wireless, tabletop and wall-mounted design.3 Remote SensorsRemote sensor for indoor and outdoor use, not waterproof, 98ft/ 30m effective distance, long range measuring. One main unit can pair up to 3 outdoor remote sensors.Multiple Data DisplayDisplays time, calendar, week, indoor and outdoor humidity, temperature, temperature and humidity trend, comfort level, and record maximum and minimum temperature/ humidity.Calibration FunctionFeatures calibration function of temperature and humidity to account for any drift that may be present in the system.Backlight Alarm FunctionBacklight off, backlight on (white), upper limit alarm (orange backlight), lower limit alarm (red backlight). Clear display in the dark, about 8 seconds auto off to save energy.12H/ 24H / H Switchable12 or 24 hours time format switchable. Change the temperature display to or H.Check/ Clear RecordsYou can check the maximum or minimum temperature/ humidity in the past. And you can view or clear records.Battery OperatedNeed USB cable or 3 * AAA battery to power the main unit and 2 * AAA battery to power the sensor. (Batteries not included)Note: The remote sensor is not waterproof, please protect it from rain, snow, etc.