(1) Has a floor;
(2) Is designed to be mounted upon a motor vehicle;
(3) Is not permanently attached to a motor vehicle upon which it is mounted;
(4) Is designed to provide facilities for human habitation or for camping;
(5) Is six feet or more in overall length;
(6) Is five and one-half feet or more in height from floor to ceiling at any point; and
(7) Has no more than one axle designed to support a portion of the weight of the camper. [1983 c.338 §28]