## USB or battery? The ZSE29 sensor can be powered by either! The Outdoor Motion Sensor accepts one of two power supplies: battery or USB. **Battery Powered** If powered by battery, the sensor needs **3 x AA (1.5 V) batteries**. Make sure to insert to batteries in the proper orientation. **USB Powered** If you pr…
### Since this switch doesn't have a battery back-up, it's not the most reliable solution for this purpose. The ZEN15 Power Switch won't have time to send any information to your hub if power goes out, but it will show as "unavailable", "offline", or a variation of this depending on your hub. Without a battery back-u…