A few things worth noting: first, this is the first smart lock Alexa works with. Second, you can’t use Alexa to un lock your door, because that would pose some security issues if someone could ...

Instead, open the circuit breaker and click the switch for the Dark Room to "On" instead of "Off". Normally, the Dark Room is completely pitch black.

For small appliances under 300 Volt-Amperes, such as doorbells and smoke alarms, it's good enough to have a circuit breaker that can be turned off. For everything else, the branch circuit switch ...