, MR11 LED Bulbs 2.4W Equivalent Traditional 12V 20W Halogen Bulb , Standard MR11 12V 10W Shape with GU4 Bi-Pin Base , 12V Low Voltage For Decoration or General Lighting Use , Pack of 4 GU4 LED Bulbs , When use halogen transformer, If LED MR11 flickers, Please add 1~3 halogen bulbs in LED bulbs assembly (Due to low power consumption, so that LED flickers.) recommended use LED transformer ,