The SALUS iT500 Smartphone controlled thermostat gives you the freedom to control your heating at anytime from anywhere. The iT500 App has some great features: • Choose from three preset heating schedules for quick set up or create your own. • Hot water scheduling with three on/off times and up to 3 hours boost function. • Simple to add heating schedules. Choose from ALL, 5/2 or INDIVIDUAL days. • Geo-location alerts when you are a set distance from your home, reminding you to set holiday mod