Oregon Scientific RAR381BK Wireless Indoor and Outdoor Sensor Thermometer w...   $19.99 The Oregon RAR381BK is a wireless indoor and outdoor thermometer with digital clock. Monitor the i..

Kendrick 6' Optic Temperature Sensor for the DigiFire 10 Temperature Sensin...   $22.00 This is a 6-feet optics temperature sensor that works in conjunction with the Kendrick Digi-Fire 1..