ecobee SmartSensor for doors and windows Door window and motion sensor wireless 915 MHz pack of 2 - Office Depot
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ecobee Smart Sensor 2 Pack - Comfort, Security, Energy Savings - Smart Home - Compatible with ecobee Smart Thermostats for Home - Amazon.com
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Ecobee SmartThermostat review: premium thermostat delivers comfort and convenience – Smart Thermostat Guide
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