This applet sets your LiFX lights to pulse (or breathe) in the same light-blue your Amazon Echo device does when a timer you've set with Alexa runs out. By default, this is set to only happen if your lights are already on. If they are off, your timer will still go off but, your LiFX lights will not be triggered. This can be changed. Using "Leave unchanged" where recommended will allow the lights to pulse alongside your Echo device and once done, return to their previous color and brightness.
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Discover more time saving integrations for Amazon Alexa and LIFX