... 2. temperature regulator 3. intelligent control 4. large LED display Digital thermostats, temperature controllerFeatures:1. Setting temperature value with button, easy ... /220V, electric life: 100000 times or more (under the rated load) , operation cycle: 15 secondsPulse voltage: drive SSR, DC0/24V, ON ... °C ~ 60°C, 0 ~ 90%RHPower consumption : 4VA maxOrdering information Digital thermostats