Temperature control Refrigerating & heating modes selection Re-start delay Celsius/ Fahrenheit degrees Value Storing / Self Testing Power supply: 230VAC Range of temperature display: 45^ 120 ( 40^ 248 ) Range of set temperature: 45^ 120 ( 41^ 248 ) Accuracy: ± 1.0 ( ± 1.8 ) Resolution: 0.1 ( 19.9^ 99.9 ) Relay output: N.O. 16A/ 250VAC Dimension: 77( Length) × 35( Width) × 60( Depth) mm Mounting hole dimension: 71( Length) × 29( Width) mm