GU5.3 LED Bulbs MR16 GU5.3 4W LED Spotlight, 4W(Equivalent 40W Halogen Bulb Replacement) Cool White 6000K LED Spot Light Bulbs, for Landscape Recessed Track Lighting,85-265V,Pack of 6 - - Amazon.com
LGIDTECH FUT104 Miboxer 4W MR16 Led 2.4GHz Bulb Spotlight GU5.3 Socket AC/DC 12V RGB+CCT Color and Temperature Changeable Dimmable,But Single Bulb Wouldn't Work.Controller and Hub is Sold Separately - - Amazon.com
Great Value LED Light Bulb, 4W (30W Equivalent) R14 Floodlight Lamp E26 Medium Base, Dimmable, Soft White, 2-Pack - Walmart.com