There are so many things you need to know before buying a smart relay.

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This is what I cover:
00:00 - Intro
00:35- What are smart light relays?
01:17- How do smart relays work?
02:05 - Using smart relays with existing light switches
04:51 - When to use smart relays
05:27 - Downsides of smart relays
06:19 - Smart Relay features
07:28 - My recommended smart relays