AHD DVR SPEC.

AHD3304BW
Video/Audio input
Video compression	H.264
Analog video input	4PCS BNC Port(Level: 1.0Vp-p, impedance : 75Ω)
Audio compression	ADPCM
Audio input	4PCS RCA Port(Level : 2.0Vp-p, impedance : 1kΩ)
Two-way audio input	1PCS RCA Port( line level , impedance : 1kΩ)
Video/Audio output
Multi-mode switch	AHD: 4CH*720P AHD+Analog: 2CH*720P+2CH Analog: 4CH*960H IPC: 4CH*720P
HDMI/VGA output	1024x768,1280*720,1280x1024
CVBS output	1PCS BNC Port(Level: 1.0Vp-p, impedance : 75Ω)
Encoding resolution	D1/CIF/720P/960P
Frame rate	NTSC:1~30FPS/S;PAL:1~25FPS/S
Video bit rate	256KB/384KB/512KB/640KB/768KB/1MB/1.5MB/2MB/2.5MB/3MB/4MB/5MB/6MB/8MB
Audio output	1PCS RCA Port( line level , impedance : 1kΩ)
Audio bit rate	16kpbs
Dual-stream	YES
Stream type	combine streams/ video stream
Playback resolution	1CH AHD 720P@25fps 4ch D1@100/120fps 4ch 720P IPC@100/120fps
Synchronous playback	D1/CIF/720P/960P
Hard disk
SATA	1*SATA
eSATA	No
Capacity	each port support max 4TB HDD
External interface
Network interface	1PCS RJ45 10M / 100M adaptive Ethernet port
Serial interface	1PCS RS485
USB interface	2*USB2.0
Alarm in/out	NO
General
Power supply	DC12V
Comsumption	≤12W
Working temperature	-10℃--+55℃
Working humidity	10%--90%
Chassis	0.8U
Dmensions(W×D×H)	255*215*45mm
Weight	0.86kg

Model:	CA-520 bullet and CA-303B dome
General functionalities
Image sensor	1/4" progressive scan CMOS
Min. illumination	0.01 lux @F1.2, AGC ON, 0 lux with IR on
Shutter time	AUTO/ 1/50(1/60)-1/100,000sec
Lens	3.6/6mm @F1.4 lens for optional ,Standard 3.6mm.
Lens mount	M12(C)
Day & night	Auto with IR ( default) / color / B&W (OSD switching)
TV system	PAL/NTSC
Digital noise reduction	2DNR,3DNR.
Backlight compensation	Auto
White balance	Auto
SNR	≥50dB
Video standard	AHD : AHD CVBS / HD-TVI : TVI CVBS.
Optional increasing function	Optional replacement increased OSD menu line using the camera menu functions, the default is No.
Resolution
Sensor pixel	1280(H)*800(V)
Effective resolution	1280(H)*720(V)
Video output	AHD:AHD CVBS/1.0Vp-p/75Ω HD-TVI : TVI CVBS/1.0Vp-p/75Ω
Image settings	Saturation, brightness, contrast, sharpeness adjustable through the OSD menu function.
Optional replacement increased OSD menu line using the camera menu functions, the default is No.
Operating conditions	-30 °C ~ 60 °C (-22°F ~ 140 °F) humidity 95% or less (non-condensing)
Power supply	12 VDC ± 10%
Power consumption	Max. 4W (5W with ICR on)
Ingress protection level
IR range	20m
Dimensions	110*110*90
Weight	350g