4CH Stand Alone DVR

Model No.:	DF-8504
Passway	4 channel
Compression	H.264
Video Signal	PAL (625 lines, 50f/s); NTSC (525lines, 60f/s)
Video Input	BNC(1.0V p-p/75Ω) x 4
Video Output	Composite video: 1.0V p-p/75Ω, BNC connector ×1 ， VGA x 1
Audio Input	2 x RAC
Audio Output	1 x RAC
Alarm Input	2-channel input.  Trigger closed without Voltage，Open or Closed
Alarm Output	1-channel output.  Trigger closed without Voltage，Open or Closed
Alarm Access	Senor input; Video motion detection alarm; Video loss alarm; Disk full remind alarm
Network	10/100M self adaptive Ethernet port, support LAN, WAN and ADSL dynamic IP networking
Control Mode	IR remote control
Backup Mode	Network backup; external CD-R; USB interface
Resolution	PAL: Display: 704×576  Image: 352×288       NTSC: Display: 704 x 480  Image:352 x 240
HDD Capacity	Support 2 x 2000G HDD
Encryption	Data encryption + secondary password management
Voltage	DC 12V/3A
Power Consumption	6W(without HDD)
Environmental temperature	Working temperature: +5℃~+50℃; RH: < 90%  Storage temperature: -20℃~+70℃; RH: < 95%