A formaldehyde detector can effectively detect the concentration of formaldehyde and TVOC in the environment you live in, such as a newly decorated house, your rented house, etc. Pay attention to harmful gases in the air, live a healthy life now Features: Adopt high precision sensor, air convection detection and constant temperature detection which quickly and accurately detect harmful gases in your home. The high-precision sensor specially detects the concentration of formaldehyde/TOVC, reduces the interference of other pollutants, and ensures the measurement accuracy of various indicators. Adopt dry battery protection technology, the life of the formaldehyde detector is up to 10 years, built-in advanced voltage regulator circuit, automatic power saving mode, long standby time. The formaldehyde detector with high quality lightweight shell, durable, portable and easy to carry. use by simply pressing the functional button; a large LED display, the data is clearly visible. It is easy to carry the smart air quality monitor which can help us to detect gas air pollution in household, kitchen, bedroom, office, school, car, hotel, travel, camping, party, etc. pregnant woman.Features:Item name: formaldehyde detector.Material: ABSWhite colorBattery: 2*AA (not included)Product size: 120*55*22mmProduct weight: 60gNote:* There may be deviations due to manual measurement or slight color difference due to shooting condition. Thanks for your understanding.Package Information:Package Weight: 150gPackage Size: 16 x 11 x 5.2cm.Package List:1*Formaldehyde Detector1*Hanging Rope1*Manual