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
MOES WiFi Smart Lampholder|Lamp Holder Adapter Light Bulb Socket
LH0400 E27/E27 med base incandescent lamp holder/socket with two hole mounting and screw terminals
Bakelite E27 lamp holder kit
E27 ES White Lamp Holder, Plastic Edison Screw, 2A 250V ac
E26 to E26 Socket Extender,TWDRTDD E27/E26 to E27/E26 Lamp Holder Adapter (3Pack) - - Amazon.com
E26 to E26 Socket Extender,E26/E27 to E26/E27 Lamp Holder Adapter