1、3 in 1: This tester integrates HCHO, temperature and humidity detection functions, providing comprehensive monitoring of indoor air quality and environmental comfort. 2、Precise Sensors: The indoor air quality detector is equipped with high precision sensors that can quickly and accurately detect levels of HCHO, temperature, and humidity, ensuring you stay informed of environmental changes. 3、Compact and Portable: With its lightweight size and minimalistic design, this HCHO tester is ideal for both home and office use, allowing you to carry it easily and conduct environmental monitoring anytime and anywhere. 4、Easy to Operate and Read: The large digital display makes the data clear and easy to read. One click startup can quickly obtain the required data, suitable for all types of users, improve the convenience of use. 5、Application Scenarios: Suitable for various settings, including new homes, rental properties, offices, and classrooms, enabling you to check air quality at any time and take timely measures to ensure the health and safety of your family and employees. Item Type: HCHO Temperature Humidity Detector Battery: Polymer Battery 1500mAh (included) HCHO Sampling Time: 1 second Input Voltage: DC5V1A Weight: Approx. 195.00g / 6.88oz 1 x Detector Host 1 x Data Cable 1 x Storage Bag