Food Thermometer with temperature controller

"Digital thermometer with temperature controller which can display two channels of temperature and status.
It can control pump according to time.
It has alarms against upper and lower temperature limit.
It can control cooling and heating. Besides, it has RS485 communication.
Specifications:
Case:100x80x31mm (SUS304)
Ambient Temperature: -20-70C
Humidity: 10-90%
Display: 3-digit red LED displays real temperature,
Power: 24VAC/DC
Temperature Range: -9.9-99.9C/14-212F
Sensor: 2 DS18B20
Accuracy: +/-0.5C
Waterproof: IP65
Mounting Type: Axial Type
Function: Display/Heating/Cooling/Auto heating and cooling/Communication RS485/Pump control/alarm
Relay Output: Relay for Heating 3A./24VAC(DC)
Relay for Cooling 3A./24VAC(DC)
Relay for Pump 3A./24VAC(DC)
Communication cable length: 4m(Optional)"