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Senses outdoor temperature and humidity to display on RedLINK enabled thermostats and accessories.
Features
- Powered by RedLINK reliability
- No interference with other wireless devices in the home
- Reliable performance in all climates
- Installs in minutes
- Up to 5 year battery life
- 2 month low battery warning
- Battery warning displayed on RedLINK enabled thermostats
- Includes 2 AA Lithium batteries and mounting hardware

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Add-on Item
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