Digital temperature controller STC-9200 for precise thermoregulation1. Multi-control modes among refrigeration,defrost and fan.<br> 2. Differential control mode, and the resolution of temperature display is 0.1.<br> 3. Multi-protection and alarm modes.<br> 4. Digital display: Three-dig it LED +Minus digit+Status indicator light(set refrigeration; defrost; fan).<br> 5. User menu and administrator menu can be set separately. Not only convenient for user operation, but also left enough space for the adjustment of high-level management.<br> Model number: STC-9200<br> Measure range: -50 to 90 C<br> Setting range: -50 to 50 C<br> Accuracy: 1 C (-40 to 50 C), 2 C (50 to 70 C)<br> Supply voltage: 220Vac, 110Vac, 50/60Hz; 12Vac/dc, 24Vac/dc<br> Power consumption: Less than 5W<br> Output types: Three mechanical relays<br> Input types: Two NTC<br> Panel size: 75x34.5 mm<br> External dimensions: 75x34.5x85 mm<br> Perforation dimensions: 71 10x29 10 mm<br> Control : ON/OFF Control<br> Setting : Touch switch<br> Front panel IP Rating: IP65<br> Operating temperature: 0 to 55 C (32 to 131 F)<br> Operating humidity: 20% to 85% RH, non-condensing<br> Storage temperature: -25 to 75 C (-13 to 167 F)<br> Alias name: STC-9200 freezer temperature controller, defrost thermostat, freezer thermostat<br> :Temperature Controller<br> Display Type:DIGITAL<br> Usage:Household<br> Power Type:Charger<br> Style:Standing Station<br> color:Black<br> Material:plastic<br> Package Contents:<br> 1 x STC-9200 Digital Temperature controller<br> Only the above package content, other are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.