LSENLTY Upgraded CO2 Detector Plug in Wall Design, 3 in 1 Air Quality Detector(Temp, Humidity and CO2 Value), High Accuracy CO2 Meter with Threshold Reminder and Manual Calibration for Home 2 Pack

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About This Upgraded Air Quality Detector – Plug & Play Design：This upgraded air quality detector features a more accurate sensor for improved sensitivity. Plug it into any standard US outlet (110V–220V) and use immediately—no standby time. Ideal for bedrooms, RVs, living rooms, basements, hotel rooms, offices, and more. High Accuracy & Fast Refresh：Equipped with advanced sensors, it delivers ±5% accuracy for CO2 (400–5000 ppm), ±2.7℉ for temperature (14–122℉), and ±5%RH for humidity (0–95%RH). Real-time readings update every 2 seconds. 3-in-1 Air Quality Monitor：The LSENLTY plug-in monitor measures CO2, temperature, and humidity. Includes adjustable threshold settings and manual calibration—reliable and easy to use for homes, greenhouses, offices, and RVs. CO2 Threshold Reminder： When CO₂ exceeds 1500 ppm, recommend ventilation—perfect for bedrooms, wine cellars, basements, and other enclosed spaces. Manual Calibration：Easily calibrate by placing the unit in a ventilated area and holding the “Sun” button for 5 seconds. A 200-second calibration cycle runs, ending with “Calibration √” on the screen. Clear CO2 Level Stages：Three concentration levels: Normal (400–600 ppm), Warning (700–1499 ppm), and Danger (1500–5000 ppm). The LSENLTY CO2 Detector supports a healthier lifestyle. Show more