The best smart light switches let you control your lights with a phone ... so you can get it with or without a built-in motion sensor or dimmer, and there's even a model for homes without a ...

But the idea of, say, every Philips Hue light bulb in your home turning into a motion sensor overnight, making it simple to automate control of your lights without sticking white plastic sensors ...

Ambient Sensing for Zigbee lights allows zone-based lighting setups with just a firmware update and no additional hardware. Philips Hue products may support Ambient Sensing, requiring at least three ...

This would mean they could automatically switch on when someone enters a room without using a separate motion sensor ... then be used as a trigger to control the light bulbs in the same way ...

It’s called Ambient Sensing ... motion zones detect activity, they could trigger automations that turn nearby lights on, fire off security alerts, or perform other tasks. The CSA video is light ...

Once the platform has integrated these new details into its system, it’ll better be able to perform automatic adjustments ... devices will gain these motion-sensing abilities.