EK-3020 digital temperature controller features an integrated sleek black touch screen panel with IP65 front waterproof grade, equipped with high-precision NTC temperature probe for stable data reading from -40℃ to 99℃. It adopts dual relay independent output to separately control refrigeration compressor and timed defrosting, built-in buzzer alarm for over-temperature, sensor fault and delay protection to extend equipment service life. Six sensitive touch keys support one-click factory parameter reset for quick debugging. Wide AC110-220V universal voltage, DIN rail mounting saves cabinet space, with anti-interference circuit passing industrial EMC test for long continuous operation. Compact matte black shell resists fingerprints and scratches, widely used in cold storage, commercial freezers, display cabinets and refrigeration equipment. Reliable performance and competitive wholesale price, ideal temperature control instrument for global refrigeration distributors.