This Koogeek Smart Plug for Apple HomeKit with Siri drops from $44.99 to $29.99 to $23.99 at Amazon when you use code KIERRPVG during checkout. This was the lowest price we found by $9. Shipping is free over $9 or with a Prime Account. This enables you to control devices plugged into it, such as a lamp, using voice control over Siri, which is built into iPhones, iPads, and more. Sales tax is charged in most states.