W3230 AC 110V -220V/12V 20A LED Digital Temperature Controller Thermostat Thermometer Temperature Control Switch Sensor Meter 100% new and high quality Features: With clear LED display for better readability. Wide temperature measuring range. Heating or cooling control. Automatically initiates cooling or heating at a constant temperature. Temperature calibration to calibrate the temperature as needed. When the temperature is high, the controller will alarm when the temperature reaches the set temperature. All parameters setting can be saved after short circuit. Relay output. High Control precision 0.1 centigrade. Can be used for domestic freezer, water tanks, refrigerator, industrial chiller, steamer, industrial equipment and other temperature-controlled system. Specification: Model: W3230 Power supply: AC 110-220V, AC12V Temperature control range: -55~120 Resolution ratio: 0.1(-9.9~99.9); 1(other range) Color of displaying: Red + Blue Measurement accuracy: 0.1 Control accuracy: 0.1 Sensor: NTC10K waterproof sensor Environmental requirements: -10~60, humidity 20%~85%RH Body material: ABS Panel size: 79x44mm/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 you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Digital Temperature Controller 1 x Temperature Sensor _x000D_ _x000D_ _x000D_ _x000D_