Key Features:

• Multi Mode Switch
• AHD: 4 Ch*720P (Compatible with 960H analog)
• AHD+IP: 2Ch*720P+2CH*IPC 1080P;
• IP: 4CH*1080P; 9CH*1080P
• HDMI and VGA Output upto 1080P
• Video Code Resolution upto 5M
• 1* SATA (each port supports upto 4 TB)
• ONVIF Standard

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	800×600，1024×768，1280×1024，1440×900，720P，1080P
CVBS output	NO
VGA output	800×600，1024×768，1280×1024，1440×900，720P，1080P
Audio output	1PCS RCA Port( line level , impedance : 1kΩ)
Video & Audio Code and Decode Parameters
Multi-mode switch	AHD: 4CH*720P(compatible with 960H analog)
	AHD+IP: 2CH*720P+2CH*IPC1080P;
	IP: 4CH*1080P; 9CH*1080P;
Video compress standard	H.264
Vdieo code resolution	CIF/D1/960H/720P/960P/1080P/3M/5M
Playback resolution	720P 4CH 100/120 FPS+1080P 4CH 100FPS ; 720P 4CH  100/120FPS;（It is defined with the mode switch）
Video frame rate	NTSC：1~30FPS/S；PAL：1~25FPS/S
Video code rate	256kps/384Kbps/512Kbps/640kbps/768Kbps/1M/1.5M/2M/2.5M/3M/4M/5M/6M/8M
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	1PCS RCA Port(Level : 2.0Vp-p, impedance : 1kΩ)
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)	≤20W
Work temperature	-10℃–＋55℃
Work humidity	10％–90％
Size(W*L*H(cm))	255*215*45mm  27:260*220*43mm
Net weight(without HDD)	0.86kg
Gross weight(without HDD)	1.53kg
Box size	36*27*8.5cm

For More Details: http://www.santachi.net/san72104trza.html