Encell LED Reading Blub for RV Camper Motorhome Boat Product Features Ideal for use in all interior marine, caravan, motorhome and camper trailer applications.? Most commonly used as a cabin or bunk reading light.Install Required: screws(not included) Lumen: 100LM; Power: 2W; Input Voltage: DC 12V Base: 60mm(D)x20mm(H)/2.36×0.78inches Light head size: 20mm(D)x33mm(L)/0.78×1.29inches Hose: 8-10mm(D)x20cm(L)/0.31-0.39×7.9inches