In the realm of fire safety, the photoelectric smoke detector stands as a crucial sentinel, safeguarding lives and property. This ingenious device employs the principle of light scattering to detect the tiniest smoke particles, even those invisible to the human eye. Its rapid response time and superior sensitivity make it an indispensable tool in ensuring early warning of fires, granting precious moments for escape and damage control. Unlike its ionization counterpart, the photoelectric smoke detector excels in detecting smoldering fires, often associated with electrical malfunctions or cigarettes, which tend to produce copious smoke but little heat.