Operating Voltage : AC125V, DC12V/2A ; AC250V, DC24V/1.3A Maximum operating voltage : AC250V max., DC48V max Temperature setting range : - 10°C~110°C Differential : A rank(3.5±1.5), B rank(4.5±1.5), C rank(6.5±1.5), D rank(10±2) Temperature setting tolerance : ±3 when the temperature is below 50°C Q'ty price sliding methods : We produce Thermostat in accordance to your specified temperature due to a temperature fixed type.