The RT310i has some great features.
• Receive Geo-Location alerts when you are a set distance from your home, reminding you to set holiday mode or asking if you would like to turn your heating on so that you return to a warm home.
• Suitable for Heating or Cooling applications.
• Manual mode, allows you to use the thermostat without schedules by just setting the temperature you require.
• Easy to follow walk through tutorial on how to use the app.