The ETC-974 digital thermostat provides precise temperature regulation for refrigeration units, freezers, and display cases. It features a clear digital display with switchable resolution between 1°C and 0.1°C for detailed monitoring. This versatile controller supports both NTC and PTC temperature probes, offering a wide measurement range from -50°C to 140°C (-58°F to 284°F). It is equipped with two sensor inputs for comprehensive temperature management. The unit operates on 230V AC and features robust 8A relays to control refrigeration, defrost, and fan circuits reliably. Housed in a compact, durable plastic casing (77mm x 34.5mm x 58mm), it is designed for easy installation in environments with temperatures from -5°C to 55°C. **Specifications:** * **Model:** ETC-974 * **Display Resolution:** 1°C or 0.1°C (switchable) * **Probe Types:** Includes 1x NTC probe and 1x PTC probe * **Sensor Cable Length:** 2 meters * **Power Supply:** 230V AC ±10%, 50/60Hz * **Relay Rating:** 8A / 220V AC * **Operating Temperature:** -5°C to 55°C * **Storage Temperature:** -30°C to 85°C * **Dimensions:** 77 x 34.5 x 58 mm * **Color:** Black and Red **Package Includes:** * 1 x ETC-974 Temperature Controller * 1 x NTC Temperature Probe * 1 x PTC Temperature Probe Please note: Product color may vary slightly due to photography lighting and monitor settings. Slight dimensional variations of 1-3cm are possible.