Main Function and Features: - Control modes: Refrigeration, Defrost, and Fan - Separate user menu and administrator menu for ease of operation and advanced management settings - Temperature control with adjustable differential setting - Switchable temperature display between Celsius only (note: “Celsius and Celsius” corrected to reflect single scale) - Temperature display resolution: 0.1°C - Optional multi-protection and alarm functions Specifications: - Model: ETC-3000 - Temperature measurement range: -45.5°C to 120°C - Temperature control range: -45.5°C to 110°C - Power supply: 220 VAC ±10% - Compressor relay capacity: 8 A / 220 VAC - Fan and defrost relay capacity: 8 A / 220 VAC - Input: 2 sensors - Sensor length: 2 m (includes probe) - Display: Three-digit LED with negative sign and status indicator lights (Set; Refrigeration; Defrost; Fan) - Color: Black - Material: ABS Package Contents: - 1 x Temperature Controller - 2 x Sensor - 1 x English Manual Note: The actual product color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.