Most Models of DVR’s Consists of Motion detection alarm output, if you wish to get notified about motion detection through SMS, then Active Atom is the Perfect choice for you.
Active Atom Can be connected to DVR Models which has Motion detection Alarm Output, Once Connected when there is an alarm output(During Motion Detection) the Atom Device gets triggered and Sends SMS to stored Phone Numbers.
This can be a useful security device, while moving out you can activate the device. When there is a motion detection it will inform you through SMS and you can take necessary steps as soon as possible.