This particle sensor operates based on the principle of laser scattering, offering high sensitivity and consistency in detecting particles as small as 0.3μm. Its small design and low power consumption make it an efficient choice for various applications. The sensor boasts excellent anti-interference capability and provides real-time detection output. Additionally, it supports functional expansion, allowing for the integration of formaldehyde sensors. The installation size and interface are compatible with infrared sensors, providing versatile application possibilities. Ideal for air purifiers, fresh air systems, air conditioners, car air purifiers, air quality detectors, environmental monitoring, and handheld air quality detection devices.