1. Multiple control modes for refrigeration, defrosting, and fan operation. 2. Differential control mode with a temperature display resolution of 0.1. 3. Various protection and alarm modes. 4. Digital display features three-digit LED, minus digit, and status indicator light for set refrigeration, defrosting, and fan functions. 5. Separate user and administrator menus for ease of operation and sufficient space for high-level management adjustments. Model number: Suitable for a specific brand Measure range: -50 to 90 C Setting range: -50 to 50 C Accuracy: 1 C (-40 to 50 C), 2 C (50 to 70 C) Supply voltage: 220Vac, 110Vac, 50/60Hz; 12Vac/dc, 24Vac/dc Power consumption: Less than 5W Output types: Three mechanical relays Input types: Two NTC Panel size: 75x34.5 mm External dimensions: 75x34.5x85 mm Perforation dimensions: 71 10x29 10 mm Control: ON/OFF Control Setting: Touch switch Front panel IP Rating: IP65 Operating temperature: 0 to 55 C (32 to 131 F) Operating humidity: 20% to 85% RH, non-condensing Storage temperature: -25 to 75 C (-13 to 167 F) Alias name: Suitable for specific brand freezer temperature controller, defrost thermostat, freezer thermostat Temperature Controller Display Type: DIGITAL Usage: Household Power Type: Charger Style: Standing Station Color: Black Material: Plastic Package Contents: 1 x Suitable for a specific brand Digital Temperature Controller Only the above package content, other are not included. Note: Lighting and varied displays may result in slight color differences between the item in the picture and the actual product. Measurement allowed error is +/- 1-3cm.