Intelligent self-adjusting function. Support the display of Celsius or Fahrenheit values.This set is equipped with two types of K and PT100 (1m).Please use one of the sensors according to your control situation, and the remaining sensor is used as backup solutions.Voltage design: AC100~240V, 50/60Hz, suitable for more applications, small size, easy to install.Secondary parameter locking protection, automatic sensor repair, LED display of PV and SV, full range free setting.Simplify operational processes.High precision, intelligent and stable, can accept the signals of various sensors(such as PT100, CU50, K,J, R, S, B,E, N, T)Please select a suitable sensor according to your use requirements.PID temperature controller is widely used in heating process of chemical industry, light industry, planting, breeding, scientific resear,chmachinery, ceramics, metallurgy and other industries.Material: Metal + Plasticcolour: As shownPackage Contents:1 x Thermostat,1 x Solid State Relay,1 x Heatsink,1 x PT10 temperature sensing wire,1 x K-type temperature sensorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.