Hello! I'm putting together a list of lamps that we need to purchase for our HS Theater. For our LekoZoom 25-50deg, I would like to make sure that an EVR 120v500w bulb is right for the fixture. I want to make sure I have the right info before I pass it on. I am also curious about something as well. When looking for the type of bulb needed for a light, should I focus on the voltage or wattage? I have info on the bulb type and wattage but not the voltage. Is it important on finding the exact voltage needed for that said fixture? Thanks in advance!