4x MR16 7.5W=60W Dimmable Cool White 6000K 12V LED Bulb-JACKYLED 2nd Generation 60 Degree Beam Angle GU5.3 LED Lamp for Home,Recessed,Track Accent Pendant Lighting Fixture Landscape Spotlight.The Bulbs Can Work with 12V AC/DC,Dimmable When Using 12V/DC Transformer Driver for JACKYLED Dimmer