Amazon offers a two-pack of TP-Link Smart WiFi plug for $20 when you enter coupon code 5KASASMART at checkout. This drops the price to $10 a plug. Otherwise, the package would cost you $25 without the coupon. The plug can turn any old appliances to the smart one meaning you will be able to control them with a smartphone app or with Alexa/Google Assistant. 4,000 customers rate it 4.7 stars out of 5.
Control From Anywhere: Turn electronics on or off from anywhere with your smartphone using the Kasa app (Compatible w/ Android & iOS)
Voice Control: Works with Amazon Alexa, Google Assistant, and Microsoft Cortana supported devices for a hands-free experience
Easy Control: Control light-duty plug-in electronics with loads upto (ie; Lamps, TVs, stereos, etc)
Kasa scenes & schedules: Schedule the Smart Plug to automatically switch on and off when away or set a Scene for controlling many devices with a single button
Note: 2 Pack Includes (2) Smart plugs; Requires a Secured 2.4 gigahertz wifi network connection