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

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