Fnirsi SFD-02 4-IN-1 Formaldehyde Detector Indoor Air Quality Monitor Touchscreen Hcho Tvoc Time Humidity Display Smart

Specification Brand FNIRSIModel SFD 02Product Name Formaldehyde DetectorScreen Material 2 4 inch tempered glass touch HD color screenBacklight Adjustable backlight brightnessPower Supply TYPE C 5V 2A Battery 1000mAhLanguage Chinese EnglishProduct Size Approximately 75 45 95 mmWeight Approximately 193gFormaldehyde Parameter Range 0 2000 PPMDetection Hardware Electrochemical sensorPreheat Time 5 secondsTVOC Parameter Range 0 10 mg m³Detection Hardware Semiconductor sensorPreheat Time 120 secondsFormaldehyde Level Classification Excellent 0 mg m³ 0 08 mg m³Good 0 08 mg m³ 0 1 mg m³Mild Pollution 0 1 mg m³ 0 2 mg m³Moderate Pollution 0 2 mg m³ 0 3 mg m³Severe Pollution 0 3 mg m³ and aboveFeatures 1 Real Time MonitoringInstantly displays formaldehyde TVOC humidity and time know your air quality at a glance 2 Air Quality AssessmentEvaluates formaldehyde levels and alerts you to potential health risks 3 Historical Data RecordingTracks changes in HCHO and TVOC over time for better long term air quality management 4 Spatial AveragingCalculates average values of HCHO and TVOC across the space for more accurate assessment 5 Smart Removal CalculatorEstimates time cost and materials needed to remove formaldehyde based on your room size and method 6 Customizable AlarmsSet your own alert thresholds the device will warn you when levels are too high 7 CalendarTime DisplayConveniently shows date time and humidity on screen Package inc