AC220V 230V Red Digital LED Temp Controller Meter Thermostat Cool/Heat Switching
£7.14
(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℃. 5) Support High Temp Alarm. Set highest/lowest upper limit temp to avoid accident.
