As one of its Prime Day deals, Amazon offers Prime members the Lifx Multicolor A19 WiFi LED Smart Bulb for $33.74 with free shipping. That's the lowest price we could find by $26. This Alexa-compatible bulb features built-in WiFi, which allows you to remotely control the bulb's settings (such as brightness level and color). Deal ends today.

Note: It's expected to ship in two to four weeks.