4 Channel Analog HD AHD DVR AHD-2804, 4ch 720p, 4ch 960h

4 Channel Analog HD AHD DVR AHD-2804, 4ch 720p, 4ch 960h

Model	AHD2804
Video &  audio input
Analog video input	4PCS BNC Port(Level: 1.0Vp-p, impedance : 75Ω)
Audio input	4PCS RCA Port(Level : 2.0Vp-p, impedance : 1kΩ)
Video & audio output
HDMI output	1024x768，1280x720，1280x1024，1920x1080p
CVBS output	1PCS BNC Port(Level: 1.0Vp-p, impedance : 75Ω)
VGA output	1024x768, 1280x720, 1280x1024, 1920x1080p
Audio output	1PCS RCA Port( line level , impedance : 1kΩ)
Video & audio code and decode parameters
Multi-mode switch	AHD: 4CH*720P
	AHD+Analog: 2CH*720P+2CH*960H
	Analog: 4CH*960H
Video compress standard	H.264
Vdieo code resolution	960H/720P
Playback resolution	720P 50/60FPS or 720P 50/60FPS+D1 50/60FPS
Video frame rate	NTSC：2~30FPS/S；PAL：2~25FPS/S
Video code rate	512Kbps/640kbps/768Kbps/1M/1.5M/2M/3M/4M
Code stream mode	combine streams/ video stream
Audio compress standard	ADPCM
Audio code rate	16kpbs
Dual-stream	YES
Synchronously playback channels	1/4CH
Hard driver
Mode	1*SATA
HDD capacity	each port support max 4TB HDD
External port
Voice intercom	NO
Internet port	1PCS RJ45 10M / 100M adaptive Ethernet port
Serial port	1PCS RS485
USB port	2*USB2.0
Alarm input	NO
Alarm output	NO
Other
Power supply	DC12V
Power consumtion(without HDD)	≤18W
Work temperature	-10℃--＋55℃
Work humidity	10％--90％
Case	0.8U
Size(W*L*H(cm))	255*215*45mm
Net weight(without HDD)	0.86kg
Gross weight(without HDD)	1.53kg
Color box size	36*27*8.5cm
Packing(pcs/carton)	5
Carton size (L*W*H(cm))	46*37.5*28.5cm
Gross weight(kg)	8.33kg