Features: 1. PID CONTROL: The thermostat utilizes a PID algorithm, enabling it to restore the measured rate to the expected value with minimal delay and overshoot. 2. HIGH ACCURACY: The temperature detection controller performs digital quantitative temperature control with high accuracy and sensitivity. 3. LED DISPLAY: The PID temperature controller features a 7-segment LED display for intuitive and convenient operation. 4. HIGH CIRCUIT BOARD DENSITY: The temperature controller's circuit board boasts high density, ensuring stable and reliable performance. 5. DUAL CONTROL: The thermostat offers various defrosting methods and supports dual control of temperature and time to meet diverse usage needs. Specification: Item Type: PID Temperature Controller Material: PC Output Current: 4-20MA 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