Personally, I favor black numbers above the garage door, the kind that you nail or screw on. I have noticed that the numbers on the lamp post signs are hard, if not impossible, to see at night because the light is too far above the signs & casts a shadow. I have always turned the outside lights on after calling 911 day or night. Anyone know where to get that special light switch that makes your outdoor light (I think it's for the front door light) blink?