The Honeywell Bluetooth Smart True HEPA Allergen Remover is the first Honeywell Bluetooth Air Purifier. It captures up to 99.97% of microscopic allergens such as mold spores pollen dust smoke and pet dander as small as 0.3 microns. It also reduces odors VOC’s and certain germs. The Advanced Electronic Touch Screen Controls include: 3 air cleaning levels plus Turbo Clean setting 1-18 hour auto-off timer VOC sensor automatically controls the air purifier based on VOC’s in the room Filter replacement indicators and Control panel adjustable lighting (bright/dim/off). Works with Bluetooth Smart v4.0 Compatible Apple and Android Mobile Devices – can be used as a remote control for all air purifier functions (30′ range). The free app provides additional functionality and features including: Allergen Alert Settings- notifies you of outside pollen and mold levels in your area Auto operation for allergens and VOC’s Proximity Sensor- automatically turns air purifier on when you’re within Bluetooth Smart range and off when you leave Custom Air Purifier Operation Schedules Filter Change Reminders- includes a quick link for filter purchases Access to product use instructions at any time… and more. 1) Quiet operation 2) Recommended for large rooms – AHAM Verifide for a 310 sq. ft. (17’x18′) room size 3) Filters: HRF-AP! & HRF-R2. Black