Hi @leedb. It's important to note that the [Ring Alarm Motion Detector](https://ring.com/products/alarm-motion-detector-v2) and the [Smart Lighting Motion Sensor](https://ring.com/products/smart-lighting-motion-sensor) are two different devices. The Ring Alarm Motion Detector cannot be used by itself, it requires the Ring Alarm. The Smart Lighting Motion Sensor does not require the Ring Bridge as it will function as a motion-activated light without the Bridge. Using the Ring Bridge gives you access to more smart controls such as [Light Grouping](https://support.ring.com/hc/en-us/articles/360042232071-Using-Light-Grouping-to-Enhance-Your-Smart-Solar-Lights) and [Light Scheduling](https://support.ring.com/hc/en-us/articles/360041290112-Controlling-Your-Smart-Solar-Lights-with-Light-Schedules), but it is not required. I hope this helps clear things up! :)
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06-07-2022 05:17:49
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Caitlyn_Ring
Hi @leedb. It's important to note that the [Ring Alarm Motion Detector](https://ring.com/products/alarm-motion-detector-v2) and the [Smart Lighting Motion Sensor](https://ring.com/products/smart-lighting-motion-sensor) are two different devices. The Ring Alarm Motion Detector cannot be used by itself, it requires the Ring Alarm. The Smart Lighting Motion Sensor does not require the Ring Bridge as it will function as a motion-activated light without the Bridge. Using the Ring Bridge gives you access to more smart controls such as [Light Grouping](https://support.ring.com/hc/en-us/articles/360042232071-Using-Light-Grouping-to-Enhance-Your-Smart-Solar-Lights) and [Light Scheduling](https://support.ring.com/hc/en-us/articles/360041290112-Controlling-Your-Smart-Solar-Lights-with-Light-Schedules), but it is not required. I hope this helps clear things up! :)
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06-07-2022 05:17:49
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