Line Voltage MR16 GU10 housing provides the crisp reflectance of MR16 light sources while operating on straight line voltage without transformers. GU10 lamps are shielded and feature solid, heavy duty turn-and-lock contacts. Noras GU10 fixture is quick to install, operates on standard incandescent dimming controls, and accepts a wide variety of high quality, adjustable finishing trims. Also available as remodel.