The Arri Plus 300Watt Fresnel Tungsten Light is designed to gather as much light as possible and direct it through the 3.2" (80 mm) low expansion, borosilicate Fresnel lens producing a soft, even field of light. The yoke allows it to be attached to any 5/8" stud. Beam angle in the flood position is 49deg. and a narrow 15deg. while in the spot position. This fixture is equipped for 120 Volt AC operations. It will also function with 220-240 AC Voltage, with the appropriate bulb and plug adapter, available separately.