Senses outside air temperature and humidity to display on MRCH1 Remote Controller and MCCH1 Portable Central Controller. 

• Monitors outside air temperature and humidity
• Supports both Fahrenheit and Celsius
• Can be integrated with other RedLINK™ devices
• Dimensions: 5" H x 3-1/2" W x 1-11/16" D (127 x 89 x 43 mm)
• Uses two “AA” lithium batteries (included)

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