Anyray A1811Y (5)-Pack 250 Watt JD Type BA15D 250W DC Bayonet Base T4 Halogen Light Bulb, CLEAR 250Watts ESS (5)-Bulbs 250W 250 Watt JD BA15D Halogen Light Bulb, D.C. Bayonet, CLEAR 250Watt Dimmable Anyray A1811Y Bulb Length: 2-1/4'' inch long / Lumens: 5000 lm Works with 110 Volt , 120Volt , 130 Volt as well , Long Life: 2500 Hours bulb life Base Type: BA15D D.C. Bayonet Base Bulb Shape: T4 ESS Projector lamp