Temperature Sensor

This temperature and humidity sensor can transmit data in even the coldest temperatures. When used with 2 AAA lithium batteries (not included), this sensor can transmit temperature and humidity data up to 100 feet, and will operate even at -40 degrees F. Has an easy-to-open battery cover and can transmit on one of three different channels. Please check sensor compatibility with your main unit before purchase...Read More

Oregon Scientific THGN123N Ultra Cold Temp/Humidity Sensor

• Wireless remote indoor/outdoor temp/humidity sensor for some OS weather stations
• Operates in temps down to -40 degrees F; transmits on 1 of 3 different receiver channels
• Transmits data from up to 100 feet from the main unit (various units sold separately)
• Requires 2 AAA lithium batteries to work in ultra-cold setting conditions
• Check Oregon Scientific?s Website for compatibility with your OS weather station