After the E27 and E17 LED bulbs, GU10 LED bulbs are the most in-demand product of this technology. Its high heat resistance, its different degrees of openness, and its different shades, make it a very versatile product that fits in any need. When buying a GU10 LED bulb keep in mind: - the power - the type of light: cold, neutral or warm - the hours of life - the opening angle