Beward N 13102 Operation User's Manual page 59

NOTE:
Duration of sent video files is 5 seconds, however the file size is 2 MB maximum. Therefore video file
duration may be less than 5 seconds even if user specifies the value of 5 seconds in the [Alarm buffer]
menu.
IMPORTANT:
When you configuring this menu, be aware that these parameters are applied to the other camera
functions, for example to recording to network storage, FTP, etc.
Recording capacity: shows maximum record time for the corresponding events and is
provided for informational purposes only.
 Pre-alarm period: maximum record time before the connection is down.
 Post-alarm period: maximum record time after the connection is down.
Recording time: allows you to set a record time for the corresponding events.
 Pre-alarm period: record time before the connection is down.
 Post-alarm period: record time after the connection is down.
IMPORTANT:
When motion detection is triggered, the camera sends files recorded before and after the connection was
down (record length is specified in "pre-alarm period" and "post-alarm period" menu).
Effective period: allows you to set a period for sending e-mails when an alarm is triggered.
The following options are available:
 Always: select this option for continuous e-mail sending.
N13102 Operations User Manual
Pic. 9.10
Chapter 9. SETTING: Events
58