Description
Press the button on the controller over and over, the set temp digits will go circularly from 68℉ to 93℉, when you set it to the digit you want, stop and wait the led flashing for 4 times, then the setting is done and the led will go on displaying the water temp. 🐠【Precise Temperature Control】LUYS aquarium heaters use unique temperature-control technology which can easily control the aquarium temperature to a preset temperature. The easy-to-read red LED temperature display shows the real-time wa
