**********ONLY FOR EXISTING BLINK SYSTEMS. For customers with existing Blink systems, this is the perfect way to extend the value and functionality of your home security*****ADD MULTPLE HOME SECURITY ZONES. Add sync modules to create zones within your house including all outdoor and indoor cameras on separate sync modules*****CONTROL MULTIPLE BLINK SYSTEMS FROM ONE ACCOUNT. Each Blink system can be controlled from one Blink account and within one Blink smartphone app*****SET DIFFERENT ARM/DISARM SCHEDULES PER SYSTEM. Each sync module can have its own individual arm/disarm schedule