Product review (4 stars): It works well but consider bags of ice.
It holds 1 gallon of water which makes 8.3 pounds of ice. A light comes on when it needs refilling. Collect each batch of cubes when you hear them drop into the bin, because they will melt if you just leave them there. Put the cubes into a container in the freezer. If you buy a gallon of water and cool it in the fridge overnight, the cubes will be made faster.

Two drawbacks: It takes a long time to freeze the whole gallon into cubes, 4-6 hours. If you live near a grocery store, it is cheaper and faster to buy 10 pound bags of ice for home use. Also, it is a bit awkward  to rinse all the soapy water from the inside after you clean it.