Key Features

• 🍃【Plug-In Wall Powered Design】Simply plug this plug in CO2 detector into any wall outlet for continuous 24-hour monitoring, no battery replacement required, stable and long-lasting indoor air quality detection for daily household use.
• 🍃【Ultra High Measurement Accuracy】Adopt premium sensitive gas sensor with precise ±5ppm measurement accuracy, accurately tracks CO2 levels from 400 to 4999ppm, providing reliable and stable CO2 measurement data for home indoor environments.
• 🍃【Intuitive Color Status Indication】Equipped with clear digital display, green/yellow/red color bars clearly show real-time air quality grades, instantly remind you of abnormal CO2 concentration and avoid poor indoor breathing environment.
• 🍃【Adjustable CO2 Alarm Threshold】Freely set customized CO2 alarm values according to different scenes, built-in loud 85dB audible alarm, supports one-key mute function to turn off buzzer sound at any time conveniently.
• 🍃【3-In-1 Multi-Function Monitoring】This all-in-one air quality monitor simultaneously detects CO2, temperature and humidity, updates data every 2 seconds, fully masters indoor temperature, humidity and carbon dioxide changes in real time.
• 🍃【Convenient Manual Calibration Function】Long press to start automatic manual calibration, effectively maintain long-term detection precision, keep your CO2 monitor always accurate and stable in long-term daily operation.
• 🍃【Humanized Adjustable Screen Settings】Supports 3-level screen brightness adjustment, ℃/℉ temperature unit switch and 180° screen flip, easy to read clear numbers from long distance at any placement angle.
• 🍃【Wide Voltage Universal Compatibility】Works with AC 110-240V wide voltage, suitable for US household sockets, lightweight mini body makes this CO2 sensor perfect for home, office, classroom, garage and RV indoor use.
• 🍃【Wide Application Indoor Air Guardian】Ideal school CO2 monitors, garage gas sensor and household air checker, widely used in bedrooms, living rooms, gyms and offices to prevent excessive CO2 accumulation health risks.
• 🍃【Durable Long Service Sensor Life】High-quality built-in probe supports up to 5 years stable working life, low power consumption plug-in structure, durable and safe plug in CO2 monitor for long-term family air protection.

Specifications