1 Certificate:UL,TUV,CQC,ROSH 2 120V,1A & 220V,1A 3 -55~180C 4 Life cycle > 10,000times 5 +/-2.5C & +/-5C I Small Thermostat JUC-31F . II Products features:Juc-31F mini thermostat is contact temperature sensing snap thermostat with plastic shell,have passed the TO220/Y220 standard,Juc-31F mini thermostat has the following advantage:high compact,accurate,mini size,easy to installeration,etc. ...