Features 100%brand new and high quality This product combines extensive refrigeration technology Accurate temperature control and strong anti-interference ability. It is a fully automatic intelligent control system applicable to all kinds of refrigeration and heating equipment. Small size, and easy to operate Specification:Operating voltage: AC220V±10%  50HZ/60HZOutput load: 10A/220V/ACPower consumption:≤3WWork environment:10℃~50℃   RH≤90%Control range: -45℃~80℃Resolution: 1℃,accuracy: + / - 1℃Input signal: a channel temperature sensor with a standard line length of 20K * 1.5mOverall size: 76*35*76mm/3*1.4*3inHole size: 71*29mm/2.8*1.1inWeight: Approx.223g/7.9oz Package list:1 x Digital Temperature Controller1 x probe  Package List