In stock. Ordered before 5pm, delivered the next business day. Probes, sensors, and detectors Netsecur - OPEN'R Zigbee 3-in-1 Room Sensor Netsecur N420ZB CHF119.00 Intelligent and connected, OPEN'R helps you maintain a healthy indoor air quality in your daily life by providing personalized notifications and advice on your smartphone when indoor air quality deteriorates. Zigbee sensor with measurement: of CO2 (Carbon Dioxide) of temperature of humidity Add to cart