Feature:  Product Name: Intelligent PID Temperature Controller.  Supply voltage: DC12V/24V/220V (Optional).  Output voltage: equal to the supply voltage.  Output current: up to 10A.  Maximum power: 120W/240W/2200W.  Temperature control range: 0-110 °C.  Control accuracy: 0.1 °C.  Refresh rate: 4 times / sec.  Video size: 0.26 inch red three digital tube.  Use environment: 0~50°C <=85%RH.  Appearance size: 75 x 35 x 85mm.  Product net weight: 90g.     Steps for usage:  1. Connect the 12V/24V/220V power supply to the input terminal and connect the load with the voltage equal to the input terminal at the output.  2. After power-on, the screen displays the real-time temperature. Press the Set button to start the flashing of the constant temperature value. Press the up and down keys to adjust the constant temperature value you want. After the setting is completed, press the Enter key.  3. Press and hold the Rst button to turn off the power. The power-off switch state machine and the device are automatically saved.  4. Press and hold Set for 5 seconds to enter the internal function settings (P0~P6), press and hold the up and down keys, and then turn on the machine to restore the factory settings.  5. Fault code: Sensor failure---, temperature alarm, screen temperature will flash.     Package includes:  1 x PID Temperature Controller