Fangrui Product Details The Internal Control Resolution Now Is 0.01c Degree. The Control Feedback Starts From Every 0.01c Change. An Integrated Ssr Output With 5a Rate Power Driving Ability. An Auxiliary Output: Timer On/off, And/or High Temperature Protection Model Number: Zl-7817a Max Measuring Temperature: 100celsius - 119celsius Theory: Pid Digital Temperature Controller Display Type: Digital Usage: Industrial Power Type: Charger Style: Standing Station Display Size: 1.9 Inches Under Control Resolution: 0.01c Sensor: Ntc, R25celsius = 10k, B25/50celsius = 3470k Setting Range: -40.0 - 130.0celsius Power Supply: 100 - 240vac, 50/60hz Output R1: 5a, 250vac (rated Current) Output R2: 7a, 250vac (resistive) Protection Level: Ip65 (front Side Only) Colour:gray-black Material:pc+abs Size:78 X 34.5 X 71mm Package Contents: 1 X Temperature Controller Only The Above Package Content, Other Products Are Not Included. Note: Light Shooting And Different Displays May Cause The Color Of The Item In The Picture A Little Different From Th