From Amazon
Osram Lamps PARATHOM Dimmable Low Voltage LED Reflector Bulbs MR11 with Retrofit Plug-in Socket 20 36° 3.2 W / 2700 K GU4 Clear PARATHOM DIM MR11
LED Bulbs
Osram-Ledvance 3.4W-35W Dimmable PAR16 GU10 36, 3000K - 636620-050206 - MR1120D827
Big on Electricals
Osram-Ledvance 3.4W-35W Dimmable PAR16 GU10 36, 3000K - 636620-050206 - MR1120D827