High sensitive household formaldehyde detector is a new type of indoor formaldehyde concentration monitoring instruments. The products are using the advanced electrochemical sensors and high precision operation amplifier chip to convert the formaldehyde concentration in the air to electrical signals directly and continuously in real time. After the microcomputers process the data the measurement results are displayed in LCD digital. The indoor formaldehyde concentration provides 24-hour real-time monitoring which has overcome the shortcomings the traditional formaldehyde detector had in common: complex to operate cumbersome to use and takes a long time to get the results. The design of high sensitive type of household formaldehyde detector is aesthetic generous simple and convenient operation in use care of you and your family's health and safety comprehensively. Area of application: family indoor office area in car.