M2D- Air-Out WiFi Smart Home Remote Crawl Space Ventilator, Humidity, Radon Mitigation, Compatible with Alexa, Google Home

Air Out Dimensions: 18" x 9" x 2". Measure your crawl space vent opening size before purchasing. Wall mount inside the crawlsapce ( into the vent opening hole). Noise level dB., Smartphone "Smart Life" remote control manual setting compatible with Alexa, Echo, Google Home Assistant. Monitor humidity level on . No more crawling in dusty crawlspace. WiFi 2.4GHz (WiFi 5G not supported)., approved. listed components used. Seven Leaves Axial Fan. Built-in dehumidistat. Freeze protection thermostat (shut below 32F). 100% Stainless Steel 304 Grade panel & housing box for longer life in humid environment. (Better than #430 and much better than other brands' Galvanized Steel.), Benefits: 1. Reduces moisture in crawl spaces / foundation / basement to protect home and occupants. 2. Increases air circulation to prevent condensation and wood rot. 3. Exhausts vent radon gas, treated wood gases and odors, prevents migrating into living areas. 4. Remote control via or Alexa Echo, Google Home speakers, or manual setting on control panel. 5. Exchange the outdoor and indoor air, improve room air quality and balance the humidity., It also helps to reduce level in crawl space, since radon (density) is heavier than air, radon precipitates in lower floors.