The Alpha series VT-H41 Digital Recorder combines the latest H.264 Compression technology with stability and simple operation. H.264 Compression is the next generation of MPEG4 allowing up to 50% smaller file sizes for increased storage capability and/or resolution as well as a more fluid internet transmission speed. The VT-H41 can be controlled via supplied IR Remote control or remote client. Convenient front panel controls are also included. Other features include RS485 PTZ control and Audio In (4ch)/Out (1ch).
Video Inputs4CH (Composite)
Input Signal FormatNTSC/PAL
Video Loss CheckYes
Main Monitor Output1 CH BNC, 1CH VGA: Selectable
Output Signal FormatNTSC/PAL & VGA
Audio Input & Output4 CH Line input & 1 CH Line output
Audio CodecG.711(ADPCM)
Sensor Input (NC/NO Selectable)4
Alarm Output1 Alarm out by Alarm, Motion, Video Loss
CompressionH.264
Multi-operationQUADPLEX (Playback/Record/Network/Backup)
ResolutionNTSC: 352x240 & 704x480 / PAL: 352x288 & 704x576
Recording quality gradeNETWORK, ECONOMY, NORMAL, HIGH, FINE.
Recording ModeContinuous / Schedule / Motion/ Sensor/ Manual
Motion DetectionMotion detection setup by Grid
Pre Recording1 fps for 5 seconds before an event
Post Recording10 seconds to 3 minutes after an event
Frame Rate ( /Sec)NTSC: 30fps/ch, 60 fields / PAL: 25fps/ch, 50 fields
Multi-Decoding1, 4
Playback SpeedSingle channel: × 2, 4, 8 / Multi-channels: × 2, 4
Search ModeTimeline, Event, Archive, Log
HDD InterfaceSerial ATA I
Maximum HDD Size1TB
Internal HDDs Supported1
File systemNaFS
BackupUSB Flash drive / Network: Video & Still Image
Menu DisplayText UI
Input MethodFront buttons, Remote control
PTZ controll1 RS-485
TerminationYes
Dynamic DNSYes (Free DDNS)
Network Interface10/100 base-TX Ethernet (RJ-45)
Client SoftwareLive, Search, Backup, PTZ Camera Control
Web viewerLive, Search, Backup, PTZ Camera Control
Multi-sites Monitoring SystemLive, Search, Backup, PTZ Camera Control
DLS (Day Light Saving)Yes
Internal BeepBy Alarm, Motion, Video Loss, HDD error
Multi-LanguageYes
S/W UpgradeUSB Flash drive
Water - markYes (Exclusive viewer)
PowerDC 12V 3A
Unit Weight (Gross weight)1.6 Kgs (3.1 Kgs) / 3.5 Lbs (6.8 Lbs)
Unit Dimension (W x H x D)340 mm x 262 mm x 63 mm / 13.4" x 10.3" x 2.5"
