Vktech G9 To E27 Socket Base LED Halogen CFL Light Bulb Lamp Adapter Converter Holder G9 to E27 Adapter Converter for LED/ Halogen / CFL Light Bulb lamp LED Halogen CFL Light Bulb Converter Change E27 base to G9 bases Suitable for all voltage:110V, 120V, 130V, 220V, 240V, 260V Dimensions:Approx.5.5cm*3.5cm(L x Dia.)