Feature:
Ø With unique time screen in front of the panel, and displays recorder.
Ø Support Symbian S60V3/V5, Windows Mobile, Iphone, Android,, Blackberry and so on.
Ø Support 1*HDD( 6TB), with 2*USB2.0 for backup, burning, upgrading operation 
Ø Stronger network service. support IE browse and CMS software 
Ø Support Chinese, Russian, English, Italian, Portuguese, Spanish, French, German ....30 language
Ø Build-in 3322.org，dyndns.net，oray.net and  myq-see.com free DDNS dynamic domain name
Ø With HDMI, Support 1080P high-definition (1920 * 1080P)
Ø With ONVIF protocol, can connect the ONVIF IP camera directly, also can by IE and CMS.
Ø Support P2P cloud functions
Specification:

	Model	DS7504
System	Chip	Hisilicon Hi3536D chip	Hisilicon Hi3520D chip
	Display screen	1/4 screen
Video	Video standard	PAL（625lines，50fps）；NTSC（525lines，60fps）
	Quality	VGA：HD；HDMI：HD
	Encode capability	1080P/960P/720P/960H/D1/HD1/CIF/QCIF
	Digital input	4*4MP	4*1080P
	Motion detection	Each channel can set 192(16*12)detection area;can set multi-level of flexibility
	Video Compression	H.265+	H.264+
Playback	Record mode	manual>alarm>motion detection>timing
	Local playback	4ch :Single real-time playback
	Video search	time,date,event,channel search
Record	Space occupation	720P： 40G/day/channel    1080P：50/day/channel
	Video storage	Local HDD ,network
	Back up  Mode	Network backup,USB portable HDD,USB imprint
Port	Video input	No
	Video output	1ch VGA output ，1 ch HDMI output（support 1920*1080P）
	Network port	RJ45 10M/100M self-adaptive Ethernet port
	PTZ control	No
	USB port	2 USB port
	POE Port	4 POE Port
	Power supply	52V power supply
	Transimission Distance	100-250 Meters