UNITY Dichroic Halogen Bulbs - 10 pieces JDR-K5/N 110V-40W E11H Voltage: 110V Wattage: 40W Beam Angle: 10 degrees (narrow) Base: E11 Size: Glass diameter approx. 5cm, Length approx. 6cm Tested and working. These were used for a while before being replaced with LEDs, so they are used items. They are still fully functional. A few extra bulbs are included as spares. No original box. Available for immediate purchase.