Aranet4 PRO is an innovative battery-powered stand-alone wireless sensor for monitoring CO2, temperature, relative humidity and atmospheric pressure at home, school, office or another indoor environment. The device is portable, simple to install, easy to operate and lets you know when the monitored levels have become unhealthy. The Aranet4 PRO sensor connects directly to the Aranet PRO Base Station. Multiple sensors can connect to one station making it ideal for large multi room sites. You can also buy a specially designed anti-theft fitting to install on wall here. Overview The sensor is compatible only with Aranet PRO base station Measures: CO2 (carbon dioxide) concentration, temperature, relative humidity, atmospheric pressure Line-of-Sight range: up to 3 km / 1.9 mi Operating environment: indoor use Transmitter power: 14 dBm Data Transmission: 1, 2, 5, 10 minutes Battery life: Up to 4 year Protection class: IP20 Dimensions: 70 x 70 x 24 mm/2.76 x 2.76 x 0.94 in Did you know that tracking CO2 levels can help you minimize the risk of catching COVID-19? Download Product Sheet PDF Aranet4 PRO V Aranet4 HOME PDF Building Management Product Sheet PDF