Monitor your indoor air quality with the Aranet4 Home wireless sensor. It tracks CO2, temperature, humidity, and atmospheric pressure in real time, using an NDIR sensor for accurate readings. The colour-coded display and optional buzzer warn you when CO2 levels become too high, helping you maintain a healthy environment. With an energy-efficient E-Ink display, battery life can last up to 4 years. The free smartphone app lets you view and analyse historical data for up to 90 days. Compact and portable, it's ideal for home, office, or school use.\n\nAranet4 Home Wireless Indoor Air Quality Sensor CO2 Temperature Humidity\n\nSeller Info\n\nUK Seller\nUK Stock\nBrand New\n\nFast Dispatch\nUsually within 24 hours\n\n30-Day Returns\nNo hassle refunds\n\nQuick Responses\nUsually within 4 hours\n\nOverview\n\nThe Aranet4 HOME indoor air quality sensor helps you stay aware of the air you breathe. It measures CO2 concentration, temperature, relative humidity, and atmospheric pressure with prech