Vintage Oster Automatic Electric Egg Cooker Poacher Model 580-20B W/Instructions Cooks up to 4 poached eggs and up to 8 soft or hard boiled eggs. Egg ring has 7 holes and a space in the center for the eighth egg. Very easy to use, dish has lines of where to fill with water for whatever types of eggs you are cooking. Put in either the poaching tray or egg ring, load it up, plug it in and hit the red light button to start cooking. It turns itself off when all the water is gone and the eggs are done. The red light button pops out and the red light goes off. This is used and does have stains and scratch marks, mineral deposits from our hard water on bottom of egg ring.
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