Power supply:220VAC±10%/-15%,50/60Hz; Power consumption:≤3W; Temperature measuring range:-40℃~99℃; Resolution: 1℃; Accuracy:±1℃,±0.5digit; Relay output capacity:10A(0.5HP)/220VAC; Delay time when sensor error:1 min; Sensor type:NTC sensor; Safety level of the front panel:IP54; Operating temperature:0℃~60℃; Storage temperature:-30℃~75℃; Relative humidity:20%~85%(No condensate);