Product details:

The Smart Vent was designed to increase comfort and reduce energy costs by regulating your homes temperature room-by-room. Model # Smart Vent - 4x10 Features: Intelligently heat and cool your home Wireless control with your smartphone Regulate airflow in rooms that are too hot, too cold, or not in use Keen Home Smart Bridge required for operation Item Dimensions: 11. 63" L x 5" W x 2. 75" H.