SincereetaliThis product is a mini temperature controller, it can be used for domestic freezer, water tanks, refrigerator, industrial chiller, steamer, industrial equipment and any other temperature-controlled system. Features: Mini temperature controller, easy to use and operate. With large and clear indicator lights for better readability. It has a wide temperature measuring range. Heating and cooling control, supports switching modes between cooling mode and heating mode. Relay output. The delay function can be activated to protect the life of the refrigerator or heater when necessary. Wide temperature measuring range from -55 to 120. Can be used for domestic freezers, water tanks, refrigerators, industrial chillers, boilers, steamers, industrial equipment and other temperature control applications. Specifications: Item Type: Temperature Controller Power Supply: 12V, 24V, 110-220VAC (Optional) Temperature Measuring Range: -50~99 Resolution: -9.9~99.9: 0.1 Accuracy: 1 Sensor: Waterproof NTC10K Sensor Environmental Requirements: -10-60C, Relative Humidity 20%-75% Refresh Rate: About 0.5S Dimension: 79mm * 43mm Cutting Size: 76mm * 39mm Package Weight: 49g / 1.72ounces Package Size: 80 * 43 * 22mm / 3.14 * 1.69 * 0.86inches Package List: 1 * Temperature Controller 1 * The Probe Line (1M)