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

2 in 1: Professional fire protection and constant air quality measurement in one device React quickly: Immediate app notification with quick dialling in the event of an alarm Healthy room air: Continuous measurement of air quality, room temperature and relative humidity with push message via app in the event of poor values Ventilation reminder: Philips Hue and LEDVANCE Smart+ lamps integrated into the system signal air quality (green/yellow/red) so that you can open windows where necessary Box contents: 1x Twinguard smoke alarm, 6x preinstalled AA alkaline batteries, 1x installation plate for ceiling mounting, 2x screws and dowels, 1x installation guide Can only be used with the Bosch Smart Home controller available separately, Weight: 0.992080125 pounds, Manufacturer: Bosch