Portable CO₂ Detector & Air Quality Monitor – ALTOS Smart Indoor Sensor with App - Dark green

This professional 16‑in‑1 indoor air quality monitor integrates 9 key detection parameters (CO2, PM2.5, PM1.0, PM10, HCHO, TVOC, temperature, humidity, AQI and time) plus 7 AQI alert buzzers for real‑time health monitoring. Built with external high‑precision sensors offering 0.001 accuracy and an optimized airflow structure, it quickly detects subtle environmental changes. It supports real‑time alerts with a mute function, features a 2500mAh battery for up to 10 hours of cordless use, and is equipped with a large 5.5‑inch LED display with adjustable brightness. The device supports easy one‑button switching between °F/°C and simple time setup (12/24‑hour format, hour and minute adjustment), delivering highly accurate temperature and humidity readings ideal for home environments.

Displays real-time indoor PM2.5 and CO2 readings using professional-grade laser sensors. Also displays indoor temperature and humidity readings. Bright LED display contrast indoor PM2.5 readings with outdoor air quality data from your nearest official station. Predictive 3-day air quality forecasting, allows you to plan your outdoor activities. Based upon your indoor readings over time, AirVisual Pro by IQAir offers personalized recommendations to help you improve the air quality in your home or workspace. Using the free AirVisual app, users can view real-time indoor readings from the AirVisual Pro unit in their office or home, no matter where they are in the world. As well as seeing live data from world’s largest global air quality monitoring network of more than 80,000 stations around the world. This includes global readings on 6 key pollutants in those areas, and access to AirVisual Earth: the world’s first 3D air pollution app, showing how air pollution interacts with live weather conditions (forest fires, dust storms, industrial and vehicular pollution)

Get alerted the minute a dangerous hazard threatens your home with the 2-in-1 smoke and carbon monoxide detector. Engineered to tell the difference between dangerous smoke and burning food, so you’ll always know when there’s a real emergency. It’s also backed by SimpliSafe’s award-winning security system and 24/7 professional monitoring—any time there’s trouble, emergency assistance will be quickly sent to your front door.* Setup is easy too with the included hardware. Plus, thoughtful notifications will give you daily updates on your detectors’ status, so you know it’s working properly. *Emergency dispatch is available with select monitoring plans.