10pcs. GU10 Socket Holder Wire Connector - For 110-220 V Bulbs - Spotlight LED Halogen Lampholder Mounting Holes Side Wire Light Retrofit Tool Fixture Conection Install Building GU10 socket lamp holder Socket Material: Insulating Ceramic and Metal Shrapnel This Bulb Holder can fix your GU10 Base Bulb with 0V-240V TECHNICAL INFORMATION:786-520-3320