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Venstar Outdoor Sensor for Platinum Slimline Thermostats
It can be used with the T1700, T1800, T1900, T2700, T2800, T2900, or TSTATEZ thermostats. The high and low outdoor air readouts for the day can be displayed on the T1800, T1900, T2800 and T2900 thermostats Sensor can be used to measure indoor or outdoor air temperature. If used outdoors, the sensor can be used to provide outside temperature information (which is not used to control heating or cooling). Maximum distance between sensor and thermostat using 24 gauge wire — 250 ft Brand Venstar, Dimensions LxWxH 6 x 5 x 2 inches, Power Source Ac/dc

Price is $57.00
Price: $56.59