Inkbird ITC-306T - Termostato electrónico precableado con controlador de temperatura y temporizador digital para acuario, germinación de semillas, reptiles, ect, sin control de refrigeración...Two Heating Plug Temperature control mode: on off control. Please note that it is just a heating controller with no cooling function. Both plugs can control heating. The probe comes with a suction tray, which can be easily installed on the water tank. Applicable sceneBecause it has the powerful function of corrosion protection, it is very suitable for fresh water, sea water aquarium, coral cylinder, ornamental shrimp and tropical fish. Dual Time Cycle