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Quantity
1
Detect loss of the monitored USB power supply and sound a local alarm using AA backup power. The app can report that loss while the YoLink hub and network path remain available.
4.6
16 ratings
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Never Received My Order
For some reason, USMail returned the order to you without trying to deliver it to me.
J
Jacqueline · July 29, 2026
YoLink Power Fail Alarm
Alarm works great! Immediate notification on fail and restore. Easy setup, intuitive interface, total ease of operation.
M
Mathew · March 31, 2026
Wow
Works exactly as needed. Sooo easy to setup. The Engineers at Yolink have made the installation and operation easy and simple. I ordered 3 more different devices for my home.