Pannello Modulo Termostato Regolatore Misuratore Temperatura Digitale Display LED AC 220V
Connect AC 220v power and the load. 25℃ the relay off, and when temp is over 27℃ ,the relay on and cooler start, the 2℃ hysteresis keep is between 25℃ to 27℃. Relay output:1 way,rated current: 10A.