W3230 AC 110V 220V 20A LED Digital Temperature Controller Thermostat Thermometer Temperature Control Switch SensorOOTDTY Features: With clear LED display for better readability. Extensive temperature measurement. Control heating or cooling. It automatically initiates cooling or heating at a constant temperature. Temperature calibration to calibrate the temperature when needed. When the temperature is high, the controller will alarm when the temperature reaches the set temperature. All parameter settings can be saved after short circuit. Relay output. High control precision 0.1 centigrade. It can be used for household freezers, water coolers, refrigerators, industrial chiller, steamer, industrial equipment and other temperature-controlled system. Specification:Model: W3230Power Supply: AC 110-220V Temperature Control Range: -55 - 120 °C Resolution Ratio: 0.1 °C(-9.9 - 99.9 °C); 1 °C (Different Range)Display Color: Red + Blue Measurement Accuracy: ± 0.1 °C Control Accuracy: 0.1 °C Measurement Point: NTC10K Sensor Waterproof Environmental Requirements: -10 - 60 °C, Humidity 20% - 85% RH Body Material: ABS Panel Dimension: 79x4 4mm/3.11x1.73inch Color: Black Quantity: 1 Set Note: 1. Please allow 0-1cm error due to manual measurement. Pls make sure you do not mind before bidding.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included:1 x Digital Temperature Controller1 x Temperature Sensor