USHIO 50W halogen lamp, E11 base type. Unopened and unused, but the box has deteriorated slightly as it has been about 3 years since purchase, so I have listed it as "like new". - Brand: USHIO - Model Name: JDR110V40WLM/K - Type: Halogen lamp - Wattage: 50W - Base: E11 Thank you for viewing.