Levoit VeSync Core 400S user manual (English - 24 pages)
LEVOIT Air Purifiers for Large Home Bedroom 83m², CADR 400m³/h, Alexa Enabled, HEPA Filter with PM2.5 Intelligent Air Quality Sensor, Removes Pollen Allergy Dust Smoke Pet, Auto Mode, White : Amazon.co.uk: Home
The Levoit Core 400S air purifier has a great smart home trick up its sleeve