Ubiquiti also has a battery powered alarm-sound sensor in their Unifi Protect lineup[1] > "Based on UL217 and UL2034 alarm patterns." UL217 is apparently for

Ubiquiti also has a battery powered alarm-sound sensor in their Unifi Protect lineup[1] > "Based on UL217 and UL2034 alarm patterns." UL217 is apparently for smoke alarms, UL2034 is apparently for CO alarms. https://store.ui.com/us/en/collections/unifi-camera-security-special-sensor https://store.ui.com/us/en/collections/unifi-camera-security...