Features: for Smart temperature controller with cooling function. Strong anti-interference ability, stable performance, simple circuit and high precision. Standard 2 relay output function, contact capacity: 10A/250VAC. Working voltage: AC90~260V; Power consumption: less than 2W. for thermal resistance Pt100 (3/2 wire), Cu50, thermocouple K, E,etc. Used for upper/lower//interval limit alarm, controlling output,both for heating & cooling. Specifications: Material: Plastic Size: 110X72X57mm/4.33x2.83x2.24in Contact Capacity: 10A/250VAC Working Voltage: AC90~260V Power Consumption: 2W Installation: Standard 35 rail Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Temperature Controller