1. Air purifier circuit board use occasions: home; office, commercial; car, etc.

　　2. Power supply voltage: AC direct power supply; adapter power supply.

　　3. Control mode of the purifier circuit board: button type; touch type; voice control (voice) type; remote control type (infrared, RF); remote control (mobile phone APP).

　　4. Network connection method: WIFI module; 5G-NBLOT; GPRS.

　　5. Purifier circuit board mobile phone APP operating system: Android (Android); Apple (IOS).

　　6. Display mode: LED indicator; digital tube; LCD screen; OLED screen; TFT display, etc.

　　7. The purifier circuit board controls the electrical: fan; UV lamp, negative ion, ozone and other sterilization equipment; atomizer, etc.

　　8. Auxiliary detection sensors: temperature and humidity; PM2.5; formaldehyde; TVOC; carbon dioxide, etc.

　　9. Purifier circuit board air purification technology: ultraviolet purification, photocatalyst purification, plasma purification, filter purification (HEPA), electrostatic collection adsorption purification, negative ion purification, ozone purification, molecular complexation, HIMOP rapid purification, plant purification, etc.

　　10. Air purification principle of purifier circuit board: Air purifiers are usually composed of high-voltage generating circuit negative ions or other sterilization equipment, fans, air filters and other systems.

　　When the purifier circuit board is running, the fan in the machine circulates the air in the room, the car and other spaces. Negative ions or other sterilization equipment at the air outlet purify the air to achieve the purpose of cleaning and purifying the air.