VSTAR JDD Type 150W 110-130V Frosted Halogen Light Bulb, Replacement Modeling Bulb for Photo Studio Strobe Lighting,Pack of 4 JDD Type Frosted Halogen Light Bulb 150 Watt 110 - 130 Volts,E26/E27 (Standard Edison Screw) 2,000 Hour Average Lamp Life,3000 Lumens Suitable for all standard E26/E27 screw of modeling studio lamp 3000K,Warmwhite,Great quality for it's value It is a replacement modeling bulb for photo studio strobe lighting,line voltage pendants, chandeliers, portables, and track lighting applications