TanTan Direct via Amazon offers its TanTan WiFi Smart Plug 2-Pack for $29.99. Coupon code "SMXINVA7" cuts that to $21.89. With free shipping, that's around $15 less than what most third-party sellers charge. They're compatible with Alexa and Google Home and feature an "Away" mode, and smart timing. Deal ends January 15.

Update: The price now drops to $20.99 via coupon code "F39CHCWE".