LED PL/CFL Direct Wire Retrofit for 2 or 4-Pin CFL Bulbs - Choose Your Retrofit Options
Green Creative 5.5W LED PL Bulb, Non-dimmable, Bypass, 2GX7, 500 lm, 120V-277V, 3500K (Green Creative 5.5PLS/835/BYP/2GX7/R) | HomElectrical.com
E27 Plastic Lamp Holder Electric Light Socket; Lamp Cap ;lamp Bases ; Adapter 3 Types - Lamp Bases - AliExpress
2pcs CFL PLS 2 Pin PL Lamp Base G23 To E27/E26 Edison Screw LED Light Bulb Extend Extension Socket Holder Converter Adapter|Lamp Holder Converters| - AliExpress
Amazon.com: Bahong Smart WiFi Light Socket,Smart Home Mini Socket,E26/E27 Lamp Bulb Adapter with APP Remote Control Timer,Wireless Remote Control Lamp Holder,Only Support 2.4GHz Network (1PC) : Industrial & Scientific