•
EN50155 compliance for rolling stock applications (GV-FER521 only)
•
Built-in micro SD card slot (SD/SDHC) for local storage
•
Built-in microphone and speaker
•
Mini USB slot for WiFi adapter or USB hard drive (GV-FE2302 / 3402 / 3403 / 5302 /
5303 only)
•
One sensor input and alarm output (GV-FE2301 / 421 / 4301 / 521 only)
•
Virtual
PTZ
function
•
Auto
Pan
function
•
Object
tracking
•
Provides 360° and 180° panorama view
•
No mechanical moving parts
•
Different angle of view controllable by multiple users at the same time
•
Playback from any view angle and zoom level
•
Privacy
mask
•
Visual
automation
•
Tampering
alarm
•
Text
overlay
•
31 languages on Web interface
•
ONVIF (Profile S) conformant
4