Etekcity via Amazon offers its Etekcity Wireless Remote Control Electrical Outlet Switch 5-Pack with Two Remotes, model no. ZAP 5LX, for $29.98. Coupon code "DEALBIGG" cuts that to $21.48. Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $8.29.) That's tied with our October mention and $9 under the lowest total price we could find for a similar set. These switches feature child protection, frequency learning function, and up to a 100-foot range.