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Prix de commande minimale:
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Commande minimale:
1
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Delivery Time:
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Supplying Ability:
2000
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Personne à contacter Ms. sandy
tianhe, Guangzhou, Guangdong
ï¬ This device has both features of digital video and audio recording(DVR) and digital video and audio server(DVS). It can work locally and independently as well as compose of a powerful security monitoring net with networking. ï¬ Adopts graphical user operation interface. Supports USB mouse, panel and remote control operation modes. ï¬ True four-tasking synchronization function; recording, playback, transmission and backup can work simultaneously. ï¬ *-channel video, *-channel audio full real-time synchronous input; with voice talkback 1BNC. ï¬ Under the CIF video resolution, PAL(**2x**8) format total recording resources is **0 frames and each channel can realize independent hardware compression at the speed of *5 frames(adjustable) per second. NTSC(**0x**0) format total recording resources is **0 frames and each channel can realize independent hardware compression at the speed of *0 frames(adjustable) per second. ï¬ Video compression adopts H.**4 compression technology; supports constant bit rate, variable bit rate compression and variable frame rate compression. ï¬ Audio Compression standard adopts ADPCM. ï¬ MAX supports 4×***0GB SATA HDD. ï¬ Recording Mode: Timing recording, manual recording, motion detection recording and alarm recording, any mode for selection. ï¬ *-channel CIF real-time recording and network transmission work simultaneously; *-channel to *-channel CIF playback. ï¬ Recording playback searches according to the channel number, recording type and recording time, supporting fast forward, slow forward, single-frame, last section, next section ***** ï¬ Supports one USB2.0 high-speed port and one USB1.1 port. Provides backup of video files on the hard disk; supports U disk and USB hard disk; the backup file can be directly generated to be with AVI format. ï¬ Preview supports single-channel , multi-channel and single-channel auto-switch display. ï¬ Supports alarm when image blocked. ï¬ Supports multi-protocol RS**5 PTZ control, PTZ preset points, cru