This small Cree LED Spot just screws in to a standard light socket. It could replace an existing Regular 30 watt incandescent or halogen and only using 10% of the power incandescent bulb. The color is like Day Light White. Specifications Bulb Type 3 x 1 Watt CREE LED, Screw In Base Life time 20,000 Hours Color White (6000K) View Angle 45 Deg Light output 240 Lumens (about 25-30 watt of a halogen) Operating Voltage 110 Volt to 120 Volt AC product Diameter 1.96" or 50 mm Product Length 1.96" or 50 ml