Renovating? Upgrade your existing incandescent pot lights to these modern, bright, energy efficient, dimmable LED downlights. No need to rip your ceiling apart or re-wire anything. Simply screw in the e26 adapter and snap in the retrofit LED downlights. The 4" Wi-Fi Smartphone Controlled RGBW LED downlights need to be wired in. They do not come with e26 adapters but could easily be wired with them.