SensorPod detects smaller particles that can be inhaled and get into your lungs and bloodstream as well as smoke, certain VOCs and odour. With the TruSens App, track your AQI (Air Quality Index) history, set up schedule, get replacement reminders. Covers 750 sq. ft. Carbon, HEPA and UV filters. Auto and Night mode. Timer settings of 2, 4, 8, or 12 hours. 33-60 dB noise level. 2-year warranty. White.