5-in-1 Indoor Air Quality Monitor, Professional CO2 Detector & Formaldehyde (HCHO) Tester, Portable TVOC Digital Hygrometer Thermometer for Home Office Car, White

Breathe Easier, Live Healthier: Your Personal 5-in-1 Indoor Air Quality ExpertDid you know we spend almost 90% of our time indoors? Invisible threats like Carbon Dioxide (CO2) from poor ventilation, Formaldehyde (HCHO) from new furniture, and TVOCs from paints or cleaning products can silently affect your family's health, causing headaches, allergies, and poor sleep.Meet your new family guardian. Our sophisticated 5-in-1 Air Quality Monitor continuously tracks the air you breathe, transforming invisible pollutants into clear, actionable data.Comprehensive 5-in-1 Monitoring Equipped with high-precision sensing technology, this compact device delivers accurate real-time data for 5 critical indoor metrics:CO2: Alerts you when it's time to open a window for fresh air to improve focus and sleep quality.HCHO (Formaldehyde): A must-have for newly renovated homes or new furniture.TVOC: Detects volatile organic compounds from odors, paints, and carpets.Temperature & Humidity: Ensures optimal daily comfort for your living space. (Easily switch between ℃ and ℉ with a single short press!).Intuitive 3-Color Visual Alerts Say goodbye to confusing charts. Our vivid HD color display uses a universal traffic-light system so anyone—from kids to seniors—can understand the air quality at a glance:GREEN (Good): Air is fresh and safe.YELLOW (OK): Slight pollution detected. The device beeps twice to remind you to ventilate.RED (Poor): High pollution levels. The device beeps 3 times, urging immediate action.100% Disturbance-Free with Double-Click Mute Worried about sudden alarms waking up your sleeping baby or interrupting a meeting? We’ve got you covered! Simply double-click the power button to instantly mute or unmute the buzzer alarm. Enjoy complete peace of mind and 24/7 silent protection.Smart 116-Second Auto-Calibration Unlike traditional monitors whose sensors drift over time, our device features a professional self-calibration mode. Simply long-press the button for 4 seconds while the device is turned off, and it will enter a highly precise 116-second zero-calibration process, ensuring your data stays razor-accurate for years to come.Ultimate Portability for Every Scenario Thanks to the built-in 1200mAh rechargeable battery and the included premium silicone lanyard, this monitor isn't just for your nightstand. Hang it on your car's rearview mirror to detect interior odors, attach it to a baby stroller, pack it for a hotel stay, or place it in a grow tent. Powered by a universal Type-C fast charging port, it provides continuous, reliable monitoring wherever life takes you.What's in the Box?1 x 5-in-1 Air Quality Monitor (AK3)1 x Type-C Charging Cable (1 Meter)1 x White Silicone Lanyard (For easy hanging and carrying)1 x User Manual

• 【5-IN-1 COMPREHENSIVE AIR GUARDIAN】Protect your family from unseen hazards with our professional 5-in-1 indoor air quality monitor. It accurately tracks Carbon Dioxide (CO2), Formaldehyde (HCHO), Volatile Organic Compounds (TVOC), Temperature, and Humidity in real-time. Ideal for detecting harmful off-gassing from new furniture, carpets, or stuffy air in closed rooms, providing total peace of mind for your loved ones.
• 【AT-A-GLANCE COLOR DISPLAY】You don't need to be a scientist to understand your air. Our vibrant HD color screen features an intuitive 3-color indicator system (Green for Good, Yellow for OK, Red for Poor). Instantly grasp the overall air quality of your bedroom, nursery, or office with just a quick glance. When CO2 or VOCs rise, the screen color shifts, reminding you it's time to open a window for fresh air.
• 【SMART ALERTS & DOUBLE-CLICK MUTE】When air quality drops, the monitor alerts you visually and audibly (2 beeps for "OK" level, 3 beeps for "Poor" level) so you can take immediate action. Need it quiet for a sleeping baby, a focused meeting, or nighttime use? Simply double-click the power button to instantly mute or unmute the buzzer. Enjoy all the safety warnings with zero noise disturbance to your daily life.
• 【PORTABLE DESIGN WITH SILICONE LANYARD】Designed for ultimate mobility, this compact and lightweight air tester comes with a premium silicone lanyard. Hang it on your car's rearview mirror, attach it to a baby stroller, or place it on your office desk. Powered by a built-in 1200mAh rechargeable battery with a universal Type-C charging port, it ensures continuous, round-the-clock monitoring wherever you go.
• 【ONE-BUTTON OPERATION & AUTO-CALIBRATION】Say goodbye to complicated menus. A single multi-function button does it all: short press to easily switch between °C and °F (a must-have for US users), and long press to power on/off. Furthermore, to ensure long-term precision, simply press and hold for 4 seconds while the device is off to trigger an automatic 116-second zero-calibration. Simple to use, built to last.