This $23 Smart Switch Monitors Energy Usage and Works With Siri

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The iDevices Switch is a smartphone-connected outlet switch and energy tracker in the same spirit as the WeMo Insight (~$40) or TP-Link Smart Switch with Energy Monitoring (~$35), but with one key difference: It works with Siri! Today’s $23 deal is the best price Amazon’s ever listed, and one of the best prices we’ve ever seen on any energy-monitoring switch.