ecoVent ecoVent Smart Venting Temperature Control – Wall Vent, Brown, 4in. x 10in.

The Ultimate Climate Control System for the Home: Real time airflow & pressure monitoring in the duct to ensure HVAC systems stay safe; Aerodynamic mechanical curtain replaces louvers while staying whisper quiet; Wireless install means no electrician needed; Powered by 4 AA batteries (included), which last 3-5 years; Requires Wifi or Zigbee connection, ecoVent; Available in 4 sizes