Got pros: Works, quiet (standing next to the bed, almost inaudible). The cats are drinking. I change the water once a week. If there is not enough water, it pumps intermittently and glows red alarmingly, it is convenient. In general, a pretty handy thing. With its cons: There is no adapter for the Chinese plug in the kit, I had to buy it separately. Worth a penny, could put. The application failed to start, not a great loss, but unpleasant. After a month of operation, the blue indicator began to burn orange, it is not clear what this means. Filters visually normal, cleaned and washed - did not help.