The displayed temperature is within 1 degree as verified by my calibrated thermometer. Easy to set up and control. I like the fact that the main body is titanium because it seems they hold up the best.

This heater is so small yet performs really well. Even with the one little suction cup, it keeps it at the bottom of the tank. It also fits perfectly into the compartment in the sump of the spec v. I love that it has suction cups. It keeps the water t...  Read More

Manual is clear and easy to read. The digital readout is a nice feature, as well as being able to set the target temperature. Temperature is very accurate if scanned by a temperature scanner.

The temperature readout is very inaccurate. Very frustrating. The wires are exposed and hot glued back into position. My windows leak cold air like a broken faucet.