Aoputek via Amazon offers the Koogeek WiFi Smart LED Light Bulb for $36.99. Coupon code "DK6ODAF8" cuts it to $19.97. With free shipping, that's $7 under our December mention and the lowest price we've seen. (It's a current low by $22.) It's dimmable, features 16 million color options, and can be controlled via your Apple device. Deal ends April 16.