Feature:1. The temperature control range is from -55 to 120, and the wide range will satisfy all your needs.2. High temperature control accuracy and simple operation guarantee easier and more accurate control.3. PID function will automatically adapt to various control objects, which enables more convenient using.4. DC 12V low voltage power supply promises more safety and reliability in varied circumstances.5. The sturdy ABS shell not easy to break, very durable. And the three-digit display makes it easier to read.Specification:Item Type: Temperature ControllerMaterial: ABSModel: XH-W2023Control Range: -55 - +120Temperature Control Accuracy: 0.1 - 0.2Refresh Rate: 4 times/secPower Supply: DC 12VOutput Current: Maximum 15AMaximum Power: 12V 180WDisplay Size: 0.56 Inch Red Three-Digit Digital TubeOperating Environment: 0 - 50, RH<85%.Package List:1 x Temperature Controller