The Beurer LR500 air purifier with HEPA filter removes house dust, odors, animal hair, pollen and bacteria from the air. The use of an air purifier contributes to a comfortable room climate (also while sleeping) so that you can breathe more easily. This innovative air purifier has a refined 3-layer filter package with HEPA filter and activated carbon filter. The ambient air quality indicator shows the air quality. It is also equipped with an illuminated control panel to view the timer function and the 4 ventilation modes and turbo mode. The LR500 also has a magic LED display with sensor touch buttons. You can also control it with a WIFI connection via the free app "Beurer FreshHome".    Features of the Beurer LR500: - App-controlled air purifier (WIFI) - Comfortable operation and monitoring of the indoor air quality (Beurer Fresh Home app) - Air purification by a three-layer filter system (pre-filter + activated carbon filter against harmful gases and unpleasant odors + HEPA 13 filter against particles such as bacteria, viruses, mites, pollen and dust) - Magic-LED display with sensor touch button: invisible display, only appears during use - Feedback from the air quality via numerical display and color display (red=bad - orange=moderate - yellow=acceptable - blue=good) - Additional air purification using a selectable ultraviolet light (UV) to kill bacteria - PM 2.5 sensor - detects fine particulate dust up to 2.5 μm - Display of the current room temperature and humidity - 4 fan stages + turbo mode - With automatic function: control adapted to the current ambient air - Timer function (1-24 hours) - With Night mode: super quiet operation with dimmed control panel - For rooms up to 35 - 106 m2 - Airflow up to 380 m3/hour - Replacement filter with filter change indicator** - Suitable for ambient conditions from + 5 ° C to + 40 ° C, ≤ 90% - Humidity (non-condensing) - 3 years .