There are two main types of smoke alarm tech, says Raman Chagger, principal consultant at BRE, the Building Research Establishment. Ionisation-based systems use a tiny amount of radioactive material to charge, or ionise, particles in the air which flow between two small plates. Should smoke interrupt that flow of charged particles, the alarm goes off.
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I don’t use all of the colors available from most smart lights, but I do like bright cool white light during the day and nice warm white light in the evening. When the back of the desk was close to a white wall, I had a pair of Govee Flow Plus light bars mounted behind the monitors. The light reflected off the wall, providing really nice background light. That doesn't work now that the back of the desk is not close to a wall. Now, for ambient lighting in the evening, I have six Taysing LED mini indoor spotlights on a smart plug. They’re pointed at the wall, ceiling, and desktop and provide just the right amount of warm background light.