PACKAGE INCLUDED: PID Controller Set comes with digital PID REX-C100 Temperature Controller + max.40A SSR + K Thermocouple for your use COMPATIBILITY: This PID temp controller is specially designed for single phase solid state relay TIMING 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) Condition: New and High Quality Measuring accuracy: 0.5%FS Cold-end compensation tolerance: 2can be modified by software in 0~50 Resolution: 14 bit Sampling cycle: 0.5 Sec power supply: AC100-240V Package Include:1 x PID Temperature Controller 1 x K Type Probe Sensor 1 x Max. 40A SSR.Items from Sheng Xinshun's shop