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Features:  Gas Type: CO2DIY Supplies: Paint and DecoratingModel Number: Formaldehyde tester JQ-200Formaldehyde Source: Floor Coating Curtain CarpetTVOC Source: Adhesive Smoking WallpaperType: HCHO TVOC CO2Feature: 24 Hour Detection; App Remote Control; Alarm to Remind..

Specifications:  Name: Air Quality Detector HCHO TVOC TesterColor: BlackCharging time: Approx.4 hoursStandby time: Approx.10 hoursVoltage: 5V / 1AResolution: 0.001mg/m3 0.001ppmFormaldehyde detection: 0~9.999mg/m 0~7.999ppmTVOC detection: 0~99.99mg/mWorking voltag..

Features: -Accurate measurement, fast and accurate, U-shaped design.-Alarm reminder, long standby, greenhouse compensation calibration.-The SEN+ algorithm is intelligently calibrated to quickly respond to complex air environments.-It is equipped with formaldehyde and TVOC detectio..