Langder Manuals & User Guides

Langder CO2 Monitor Protect Your Air In a world filled with fine particles, changes in air quality are often difficult to detect, while the presence of dust can pose potential…

Langder DM72B WIFI Air Quality Monitor Product Information Specifications Model: 24-05-V4-72B WiFi Connectivity: TUYA WiFi Features: Date Time, CO2 AQI, PM2.5, HCHO, TVOC, Temperature, Humidity Buttons: Power Button, Battery Right…

Langder 830 Multifunctional Air Quality Monitor PROTECT YOUR AIR This product is a multifunctional air quality detector that detects Formaldehyde (HCHO), Total Volatile Organic Compounds (TVOC), Particulate Matter <2.5 micron-sized…

Langder CO2 Meter Product Usage Instructions How to Use Short press the power button to turn on the device. If it doesn't turn on, charge it first using a standard…

Instruction Manual 24-05-V1-1209B Protect Your Air This product is an advanced Carbon monoxide tester that combines high-quality sensor to provide real-time monitoring of Carbon Monoxide (CO), Temperature, Humidity on its…