Recording Interval after event (sec.) - For setting the interval of time for picture recording after an ON and OFF event within a range of 0.1-1.0 seconds. 3. " E -mail notification on recording" - Check to send an e -mail containing the recorded image in conjunction with ON/OFF events. 4. "Recording between ON event and OFF event" - Check to insert an interval between picture recordings when the device detects motion (between ON events).