Not bad. 41 2

This electric paint roller will ask you a little bit of preparation time between the setting of the pump on the paint, and connection of the hose to the roller, it must wait until after the pump sucks the paint and sends roller. One might expect a greater time savings, because we are not constantly taking back of the painting, but this device does not reduce the number of necessary steps to paint well, that is ie, board several times and cross.
After everything must be cleaned. I think with a gun, we gain more time, but hey, for ceilings is good, we splashes less and lose less paint is appreciable.
Good camera but not a revolution.