Bosch Smart Home Twinguard Smoke Detector with Air Quality Measurement and App Function, Compatible with Apple Homekit

Air Purifier for Large Room: The maximum purification area can reach 48 ㎡(516 ft²). Clean Air Delivery Rate (CADR ) 230 m³/h, which means that in a room of 48 ㎡, it only takes 30 minutes to purify the air once. LV-PUR131S can complete the delivery of purified air quickly and effectively. Suitable for medium and large room, baby bedroom, whole family room and kitchen Air Quality Intelligent Sensor: In Auto Mode, the professional advanced monitor sensor real-time detects air near the control panel and filter, then accurately feedback the air quality with 4 colors for easy checking. According to the detection result,you don’t have to lift a finger and the purifier will automatically adjust and select the appropriate speed Smart WiFi Control: Compatible with Alexa, easy to control the air purifier just by voice. Use your smartphone to control the air purifier on the VeSync APP anytime, anywhere, so that you can always breathe fresh air when arriving at home. VeSync APP has other functions, set a schedule, monitor air quality, set timer, change mode, turn off the LED display, track the life of the filter and so on