tempe Wireless Temperature Sensor
Get ambient temperature and transmit the data wirelessly to your compatible device with this external sensor. Attach it to your pack, jacket or shoe to accurately keep tabs on the temperature as you head out on your next great expedition.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
Owner's Manual (pdf)