Inkbird Dual Temperature Controller with Dual Aquarium Probes & WIFI control.  WIFI smart controller supports both IOS & Android，WIFI supports 2.4GHz Wi-Fi router, free APP “InkbirdSmart” which is able to monitor temperature at any time.  Dual relay output, which can connect heating and cooling device at the same time.

Both plug can be triggered at a high point for cooling or a low point for heating but not both.  Will work as a heater controller or a cooling controller.  If you want to do both heating and cooling you will need 2 separate ink birds.

Key Features: 

1. Dual Aquarium Probes for redundancy
2. Dual Heater Plugs
3. 0.1° F ​Resolution
4. The controller itself has 2 years warranty while the temperature sensor has 1 year warranty. 
5. Maximum output load: 1100W (110V)
6. High/Low temperature limit setting alarm.

• Temperature Control Mode :On/Off Control, Heating or Cooling (BUT NOT BOTH)  
• Temperature Control Range : -40~100 °C / -40~212 ° F 
• Temperature Resolution: 0.1 ° C / 0.1° F ​
• Temperature Accuracy: ±1°C (-50 ~ 70°C) / ±1°F (-50 ~ 160° F) 
• Ambient Temperature: -30~ 75 ° C / -22~ 167 ° F 

• Plug and play design, easy to use. 
• Support reading with Centigrade or Fahrenheit. 
• Maximum output load: 1100W (110V)/ 2200W (220V). 
• Temperature calibration, Compressor delay protection for refrigeration control.
• High and low temperature alarms are available. 
• Dual relay output, be able to connect with refrigeration and heating equipment at the same time. 
• Dual display window, be able to display measured temperature and set temperature at the same time. 
• WIFI smart controller supports both IOS & Android，WIFI supports 2.4GHz Wi-Fi router, free APP “InkbirdSmart” which is able to monitor temperature at any time.