Feature: 1. [PID Control] Intelligent temperature controller, with PID control adjustment and alarm switch, select for different applications or environments to be controlled. 2. [Accurate Temperature Control] Using high accuracy chips, accurate temperature control, high sensitivity, intelligent control, to ensure long term stability. 3. [Powerful Output] Support solid state output and relay output, multiple input modes, ON/OFF.P.PI.PD.PID control, 7 segment LED display mode, powerful functions. 4. [Easy Installation] PID temperature controller, simple detachable shell design, convenient maintenance, simple operation, safe and reliable. 5. [Scope Of Application] Widely used in household appliances, electrical machinery, light industry, chemical industry, machinery, metallurgy, refrigeration or heating applications. Specification: Item Type: PID Thermostat Material: ABS Purpose: Used in many products such as home appliances, motors, refrigeration or heating, etc. Rated Voltage: 100-240VAC Display Mode: 7 Segment LED (PV: Red, SV: Green) Control Output: SSR Alarm Output: AL1.OUT: 250VAC.3A.1a Control Method: ON/OFF.P.PI.PD.PID Control Input Type: Factory Default K (CA) Type Adjustable J (IC), L (IC), T (CC), R (PR), S (PR) Control Accuracy: 1-100℃ / 0.1-50.0℃. Package List: 1 x Temperature Controller2 x Fixing Clip1 x Manual Note: Please use it in places where the relative humidity is 35%‑85%RH, non corrosive and no strong electromagnetic field radiation.