First Alert Slim Photoelectric Smoke Alarm Install TEST DIY in 4D

First Alert Slim Photoelectric Smoke Alarm Install TEST DIY in 4D
with 10-Year Sealed Battery, PR710, White

Click Link to Buy or View:
https://amzn.to/3NMlzBy

How does photoelectric work?

photoelectric effect, phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation. The effect is often defined as the ejection of electrons from a metal plate when light falls on it.

SIMPLE TERMS: Light is faster detection off the impedance of smoke