... 1) Voltage: 110V, 230V 2) Wattage: 100W, 300W, 500W 3) Lens: clear, sandy, grille 4) Beam spread: narrow spot light, par64 ... spot halogen lamp/bulb/light.ModelVolt(V)ModelFilBaseBeam SpreadAvg Life(h)Comparison ... airport lighting3. shock resistance4. high temperature resistance5. high voltage (230V) design6. compact size7. long life8. high luminous ...