ModelECS-974neo Operating Voltage220VAC±10%; 50/60Hz Overall Power Consumption<3W Temperature Measurement Range-50?~99? Temperature Control Range-50?~99? Temperature Measurement Accuracy±1?(-40?~50?), Others ±2? Display Resolution0.1?/1? Product Size78.5?34.5?74(mm) Mounting Dimension71?29 (mm) Rated Current of Output Relay (Refrigeration)17A/220VAC Rated Current of Output Relay (Defrosting)10A/220VAC Rated Current of Output Relay (Fan)10A/220VAC