Remote Sensor for Wireless Indoor/Outdoor Thermo-Hygrometer
Wireless transmission of outdoor temperature and humidity

Up to three sensors can be used with the Item No. G78461 or Item No. 145582 thermo-hygrometers. Recommended operating temperature and humidity for the sensor is -58°F to 158°F and 25% to 90% and for the display 23°F to 122°F and 25% to 90%. Imported.