Thermo-Hygrometer Remote Sensor- Oregon Scientific accessory thermo-hygrometer remote sensor with display-For use with various Oregon Scientific weather monitoring systems-Collects both temperature and humidity readings and also feature an on-board LCD screen-Digital display shows temperature and humidity- Sensors can be placed up to 100 feet from main display unit- 3 Channel display- Lithium AAA batteries recommended for very cold conditions- 2 AAA alkaline batteries included- White)- ORTHGR122NX