Moniteur du Vin monitors temperature, humidity and power in your wine cellar and will send out alerts via email, text of phone calls if it detects a temperature or humidity reading outside of the range set. Moniteur du Vin can be plugged into any standard 110V power outlet. The outlet should be indoors and/or protected from direct contact with the elements (snow, rain, etc.). Moniteur du Vin has internal, self-charging Lithium-Ion battery to keep on monitoring for days in event of a power outage. No internet or phone line required in property being monitored.