Item Type: PID Temperature Controller Material: PC Allowable Voltage Range: 90%-110% of rated voltage Output Current: 4-20MA Rated Voltage 100-240VAC Display Mode: 7 segment LED (PV: red, SV: green) Control Accuracy: 1-100, 0.1-50.0 Control Mode: ON OFF, P, PI, PD, PID control Alarm Output: AL1, AL2 Relay: 250VAC 1A 1a Size: Approx. 96x96mm/3.8x3.8in Package List 1 x PID Temperature Controller 2 x Accessories 1 x User Manual 1PID CONTROL: The thermostat adopts PID algorithm, could restore the measured speed to the expected value with minimal delay and overshoot. 2HIGH ACCURACY: The temperature detection controller can perform digital quantitative control of temperature, with high accuracy and sensitivity. 3LED DISPLAY: The PID temperature controller adopts 7 segment LED display, which is intuitive and convenient to operate. 4HIGH WIRING DENSITY: The circuit board of the temperature controller has high wiring density, ensuring stable and reliable performance. 5DUAL CONTROL: The thermostat has a variety of defrosting management methods, supporting dual control of temperature and time, meet diverse use needs.