The HC-0810M Finnex controller offers a precision digital control with LED digital display which maintains water temperatures at a constant level protecting your livestock from temperature fluctuations. Easily adjustable high/low temperature settings with an audio alert separates this aquarium heater controller from the rest of the competition. Also setting these controllers from Finnex competitors, have ease of mind as this controller features a dual relay inter-work, doubling the protection, disabling heating in case of over heating. This advanced controller carries three prong power receptables that work well with all Finnex Titanium Tubes as well as other brand's heating elements as well. For the utmost advanced aquarium, the digital Finnex heater controller fits right in. Please direct to information below for further specifications.
Range - 0-99deg F
Accuracy- +/- 2deg F
Max Load- 800 Watts
Overload Fuse- 10A
Memory - YES
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So far so goodMay 3, 2019
I have two heaters working off this controller and working fine. The temperature on the read out is close to the temperature I set it on no big deal.