Before that, there was an aquail with a mechanical regulator. Worked for less than two years. At the end, the temperature jumped, and then completely broke down. Don't buy the gold model. Its pros: Works for a week. The temperature is set to 25. A thermometer stands nearby and shows 25.5. Watched all week, the temperature is stable. Its cons: Dorogova something, well, what to do. But the warranty is 2 years.
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