ApexGear Indoor Formaldehyde TVOC Air Quality Monitor, Touch Screen High Precision Household Air Detector

・Multi-index Real-time Indoor Air Detection: This air quality monitor precisely detects formaldehyde(HCHO), TVOC, ambient humidity and AQI simultaneously with a high-performance built-in chip. It comes with 5-level air safety rating standards to judge indoor air hazards clearly. Real-time updated readings let you grasp home air conditions instantly, ideal for newly renovated houses, bedrooms and living spaces daily monitoring.

・Smart Formaldehyde Removal Calculation Function: Built-in professional smart calculator for formaldehyde removal planning. You can input room size, space type, initial formaldehyde concentration and your preferred purification method. The device will automatically calculate exact removal duration, required consumables and total cost, helping you make scientific whole-home formaldehyde elimination arrangements conveniently.

・Curve History Storage & Automatic Overlimit Alarm: It records long-term air data and displays concentration fluctuation via intuitive curve graphs for comparison of air improvement effects. Once HCHO or TVOC exceeds safe threshold, the device will sound buzzer alerts promptly to remind you to ventilate rooms timely, effectively prevent harmful gas damage to your family health.

・2.4 Inch Tempered Glass HD Touch Screen: Equipped with 2.4-inch scratch-resistant tempered glass touch display. The user-friendly interface arranges time, battery, gas concentration, humidity and hazard evaluation data separately. Smooth touch operation and large clear fonts ensure easy reading and simple control for seniors and kids at home.

・Creative Smiley Face Sleep Display Mode: With exclusive smiling guardian standby mode, the pixel facial expression changes according to formaldehyde concentration: happy face for good air, dull face for mild pollution and sad face for severe pollution. This vivid reminder is easy to understand, and it works together with sound alarm to offer dual protection for your indoor air safety day and night.