Portable Air Quality Monitor HCHO TVOC PM2.5 PM10 Formaldehyde Detector LCD Display Tester

Features: Use for hooka h cobacco. Easy to clean,just use the runing water to rinse it. Better experience,ceramic bowl original taste: compared to traditional silicone, It is more likely to maintain the original flavor of the tobacc o without the appearance of gummy and burnt flavors. LCD digital screen display, easy to read test results, more convenient for indoor air detection. Specifications: Color: Black Power Supply: 2 x AA batteries (not included) Display Mode: LED Display Material: ABS Operating Voltage: 2.5~3.2V Testing items: Formaldehyde, TVOC Test Principle: Principle Of Aemiconductor Gas Sensor Test Range: HCHO: 0.000-2.888mg/m3 TVOC: 0.000-9.999 mg/m3 Package Included: 1 x Air Quality Monitor Note: 1.Due to the light and screen difference, the item's color maybe slightly different from the pictures. Please understand. 2.Please allow 0.5-1 inch difference due to manual. Details Pictures: