PACKAGE INCLUDED: PID Controller Set comes with digital PID REX-C100 Temperature Controller + max.40A SSR + K Thermocouple for your useCOMPATIBILITY: This PID temp controller is specially designed for single phase solid state relayTIMING SETTING: Integral time (I): 0~3600 sec (No integral action when set to 0), Derivative time (D): 0~3600 sec (No derivative action when set to 0)PROPORTIONAL BAND(P): 0~full range (ON/OFF control when set to 0)SETTING VALUE (SV): identical to measuring range (PV)Colour:BlackMaterial:ABS+electronic componentsPackage Contents:1 x PID Temperature Controller1 x K Type Probe Sensor1 x Max. 40A SSROnly the above package content, other products are not included.Note: Light 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.