Wireless thermo-hygrometer with 1 channel monitor: this weather station with built-in sensor and 1 wireless sensor (IP43 waterproof), can be connected to display temperature and humidity readings from outside indoors up to 100 m/328 ft in an open area.Large backlit LCD display equipped with a hygrometer of size 90 x 87 x 23 mm, the 3.7 inch LCD display allows easy reading of the temperature, humidity and settings even from a greater distance. For 15 seconds, the screen lights up when you press the lighting icon or any button.High Accuracy & Fast Refresh-Digital Thermometer Hygrometer updates every 10 seconds to give you updated and the latest readings. Wide measuring range that measures indoor temperature from 14F~140F (-10 ~ 60), outdoors from -40~70 (-40~158) and humidity of 10% ~ 95%. The temperature accuracy range is 1C, while the humidity accuracy is 3-5%RH.Multifunctional hygrometer thermometer monitoring temperature (/ switchable) and humidity, 12/24hr clock date display, comfort indicators, arrow trends for temperature and humidity, low battery icon. Also shows Max/Min recording and automatic deletion of measurement data after 24 hours.2 Mounting Options - Indoor hygrometer with hanging hole on the wall and extendable stand on the back, outdoor sensor with suspension, easy to attach to the wall or place on the table.