Features 1、ACCURATE SENSOR: Equipped with high sensitivity sensors, it is capable of measuring HCHO, PM2.5, temperature, and humidity simultaneously. It ensures real time detecting of indoor air quality, promoting a safe home environment for you and your family. 2、BLUETOOTH APP CONNECTIVITY: It can be connected to Bluetooth for use, and APP saves 60 days of data. Effortlessly connect the detector to your smartphone via Bluetooth APP. Users can access real time air quality data, historical records, and trend charts on the app, allowing for constant awareness of your home's environmental conditions. 3、VERSATILE MOUNTING OPTIONS: Featuring a unique magnetic and wall mounted design, users can easily position the detector in any suitable location, whether it's on a desk, hanging on a wall, or attached to a refrigerator. 4、COMPACT AND PORTABLE DESIGN: With its lightweight and compact design, it is ideal for on the go use. It allows users to perform air quality checks in various rooms or locations, ensuring security in every corner. 5、DAILY AIR QUALITY RECORDING: The device automatically records daily data, helping users grasp long term air quality trends. This enables the timely detection of potential issues, providing a scientific basis for improving your living environment. Specifications Item Type: HCHO Detector Material: ABS Weight: Approx. 255g / 9oz Battery: Polymer Li Battery 1500mah (Built in) Package List 1 x HCHO Detector 1 x Data Cable 1 x Instruction Manual 1 x Storage Bag