Haian 12V LED Bulb 6W 600Lm E26/E27 Standard Base 60W Equivalent 12 Volt Low Voltage Lights AC/DC 12-24V A19 Lamp,Warm White 2700K,Off Grid Solar Battery System Lighting,RV,Marine LED Lights,4 Pack - -
Light Bulb Socket Extender E26/E27 Screw In Adapter 3cm 1.4 inch Extension Base | eBay
The difference between an E26 and an E27 bulb base – XPAO