Oregon Scientific THGR122NX Wireless Temperature and Humidity Sensor with Display is a thermo-hygro sensor that collects both the temperature and humidity and transmits the information to the main unit on compatible products on one of three user-selectable channels. Can be used indoors or outdoors.
The THGR122NX also features an on-board LCD screen that displays the temperature and humidity. This sensor is compatible with various multi-channel products from Oregon Scientific.
Outdoor range : -22 to 140 degrees Fahrenheit (with Lithium batteries)
Outdoor range : -4 to 140 degrees Fahrenheit (with Alkaline batteries)