With 4 functions: cooling, heating, temperature correction, single sensor. It can be used for water tanks, refrigerator, freezer, boiler, steam, and a other temperature controlled device.This product use in many applications, for example, heaters, coolers, aquarium, and other cooling or heating device that requires automatic switching.< /li>refrigeration control output time delay protection; Alarm when temperature exceeds limit temperature or when sensor error.Stable, repeatable, compact, easy to assemble and program: calibrated, then mounted < /p> Features: Automatic conversion of cooling or heating mode; control -Temperature setting value adjustment temperature and diversity value; temperature -Calibrazione; output delay protection -Refrigeration control; -Radio when the temperature exceeds the limit temperature or when;error sensor. -With large and clear LED display for better readability. Largest temperature measurement range. Parameters -All can be set to default after short circuit. - Specifications And Sizes -Front panel size: 7.5 (L) * 3:45 (W) cm Mounting dimensions: 7.1 (L) x 2.9 (W) cm; sensor-length: 2m (including probe). -Product size: 7.5 x 3.45 x 8.5cm; - Technical -Campo Temperature measurement -Parameters: -50~99C; Resolution: 0.1C; -Accuracy: 1C (-50~70C); -Power supply: 220VAC 10%, 50/60Hz; Consumption -Power: 3W; -Sensor: NTC (1pc) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.