Compact Source Four HID jr zoom, offers 25 to 50º variable field-angle flexibility and Source Four performance in a spotlight fixture with 12000 lamp life. The 150W metal-halide luminaire features all of the Source Four jr’s attributes cool beam, pattern projection, framing shutters, rugged construction and a bright, even field. Like every other member of the Source Four HID family, the Source Four HID jr zoom gives Source Four performance with 12000 hours of lamp life. Source Four HID uses an electronic ballast with power factor of greater than 95% compared to some competitors’ ballasts at less than 70%. HID ballast has an efficiency of greater than 90%. With its 1.5A operating current, safely place more Source Four HIDs on a 20A circuit than can other manufacturers' units that operate at 2.3A. Plus, Source Four HIDs are UL listed for damp locations. Every Source Four HID fixture comes in black, white or silver as standard with custom colors available. Every Source Four HID is a non-dimmable fixture.