Lumitec Mirage Interior Down Lights are the best performing down light on the market today. Utilizing the most efficient emitters commercially available, Mirage boasts incredible output and a profile that is among the slimmest in the industry. In field studies Mirage exceeded the output of 20 watt halogens* Equally suited to elegant salons or no-nonsense T-tops.(*6 watt devices will exceed output of 20 watt halogens, 3 watt devices will exceed output of 10 watt halogens).Voltage: 10 - 30vDCOperating Temp ( °F): -31 to + 131 FOperating Temp ( °C): -35 to +55 CWidth: 3.25in (8.25cm)Height: 3.25in (8.25cm)Depth: 1.11in (2.81cm).