Feature: 1. HEAT\u0026COOL MODES: control temperature by setting the temperature setting value and the difference value. 2. MULTI-conservation: the function of temperature calibration checks and adjusts the accuracy by comparison with the standard value; automatic conservation delay cooling system; and automatic overtemperature alarm. 3. PRECISION CONTROL: scientific layout, best performance; anti-breakdown capacitor ensures safe conservation electric circuit. 4. WIDE APPLICATIONS: this temperature regulator can be used for refrigerator, coffee maker, aquarium, water tank, kiln, furnace, greenhouse, incubator, etc.. 5. DUAL DISPLAY: clear and accurate readings, no illegible character. Specification: It's perfect for various household, institutional & industrial heating and cooling applications. Features: HEAT&COOL MODES: control temperature by setting the temperature setting value and the difference value. MULTI-conservation: the function of temperature calibration checks and adjusts the accuracy by comparison with the standard value; automatic conservation delay cooling system; and automatic overtemperature alarm. PRECISION CONTROL: scientific layout, best performance; anti-breakdown capacitor ensures safe conservation electric circuit. WIDE APPLICATIONS: this temperature regulator can be used for refrigerator, coffee maker, aquarium, water tank, kiln, furnace, greenhouse, incubator, etc.. DUAL DISPLAY: clear and accurate readings, no illegible character. Specifications: Material: ABS (Flame-Retardant) Power Supply: 110-220VAC ±10% 50/60Hz, DC 12V, DC 24V (Optional) Power consumption: <3W Temperature Measurement Range: -50°C ~ +110°C Resolution: 0.1°C Accuracy: ±1°C (-50°C~+70°C) Relay Output Contact Capacity: heat 10A/240VAC; cool 10A/240VAC Sensor H Type: imported NTC sensor Sensor Length: 1 meter (include the probe) Item Size: 8.5*7.5*3.5cm / 3.34*2.95*1.37in Package Size: 10.5*8.2*5.4cm / 4.13*3.34*2.12in Item Weight: 105g / 3.7oz Package Weight: 129g / 4.55oz Package List: 1 * Temperature Controller 2 * Sensor Probe Package List: 1 * Temperature Controller 2 * Sensor Probe