Monitor indoor air you can trust — a single, selfcontained unit that measures CO2, VOCs, formaldehyde, temperature, and humidity simultaneously, shows real‑time readings on a vibrant color display, and runs on a built‑in 1200mAh lithium battery. Key benefits Detect multiple hazards at once: simultaneous monitoring of CO2, VOCs, and formaldehyde helps you identify poor ventilation and chemical off‑gassing without needing separate devices. Immediate, easy‑to‑use feedback: the color display presents real‑time CO2, temperature, and humidity readings so you can quickly assess indoor conditions and take action. Portable and reliable power: the integrated 1200mAh lithium battery eliminates the need for constant outlet access and keeps the monitor working during power interruptions. Simple operation: power the unit on or off with a single 3‑second press of the button for straightforward, fuss‑ use. Features and performance Sensors: Built‑in sensors continuously monitor CO2, VOCs, and formaldehyde plus temperature and humidity. Display: Vibrant color screen shows real‑time CO2, temperature, and humidity levels for clear, at‑a‑glance information. Power: Includes a 1200mAh lithium battery for mobile or temporary use. Controls: One button powers the device on or off with a 3‑second press for intuitive operation. Self‑contained: No external probes required — ready to use out of the box. Practical use cases furniture or renovations: Identify formaldehyde and VOC off‑gassing from materials and finishes so you can ventilate or limit exposure. Offices and classrooms: Monitor CO2 levels to determine when to increase ventilation and maintain occupant alertness and comfort. Home comfort and safety: Track temperature and humidity alongside VOCs and CO2 to reduce mold risk, improve comfort, and manage indoor air quality during cleaning or renovation projects. What this product solves Replaces multiple single‑purpose tools with one compact monitor that provides comprehensive, real‑time indoor air data. Helps you make quick, informed decisions about ventilation and remedial action based on clear on‑screen readings. Provides battery‑powered flexibility for use in different rooms, temporary workspaces, or during power outages. Specifications (as provided) Detects: CO2, VOCs, formaldehyde, temperature, humidity Display: Color screen showing real‑time CO2, temperature, and humidity Battery: Built‑in 1200mAh lithium battery Operation: Power on/off with a 3‑second press of the button Use this unit wherever you need fast, reliable indoor air information to protect health, comfort, and property.