Works as described. Easy to use. I bought these for my kennel project. Preparation for the winter season. I convert this device to a digital thermostat controller where I set a desired temperature value and a deviation of how many degrees below my set value that will trigger the relay. For example, my target is 65 degrees and the deviation is 4 degrees. Anytime the kennel temperature drops to 61 or below, the relay will trip to turn on the kennel heater. Once the kennel temperature reaches 65 degrees, it will turn off to turn off the heating. It also has a timer function that allows you to run 2 different cycles in this device, e.g. B. Day temperature and night temperature. For the timer, you can set the time range for each cycle, just like a smart home thermostat. Tested and it works like a charm. My dogs and I love this device. I can see this product being widely used in various applications. Highly recommended.
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