Indoor Outdoor Thermometer Wireless Weather Station Battery Powered with 100m...
The indoor temperature range is 9.9ºC ~ 50ºC (14.2ºF~122ºF), while the outdoor temperature range is -40ºC~70ºC(-40ºF~158ºF), and indoor/outdoor humidity range from 1% to 99%. Temperature accuracy is +/-1ºC, and humidity accuracy is +/-2%.