This product was broken on arrival.  The outer plastic grill was broken at one of the screw attachment points, two clips supposed to keep the grill in place do not lock into the metal top because the plastic grill is warped, so the grill is dangling by one screw.  The plastic grill is the only part that keeps you from touching the high-voltage grid and it's about to fall off.  I will not plug the product in, because it is hazardous in this condition.  A note in the package says not to contact the store for warranty problems, but to call the factory directly, we'll see how that works.  May improve the rating if I get a good response from factory (or vendor).