Dvr Spec:

• Primary Function: 4 Camera CCTV Security System
• Operating System: Embedded LINUX
• Main function: Live display, Recording, Playback, Remote access
• Hard Drive:1 x SATA HD, up to 1 TB, FREE 500GB HDD included
• Video Display: Single Camera or Quadrant Split Screen
• Recording Frame Rate: 25 FPS Max
• Image Quality: Low, Normal, High
• Recording Mode: Continuous / Motion Detection
• Overwrite Mode: Cycle / Stop on full
• Recording Output: MCG
• Playback: Single Channel /4 channel simultaneous !
• PTZ control: Yes, RS-485
• Ethernet: Yes, Wired RJ-45
• Video: 4 Channel, BNC, 1.0Vp-p, 75 Ohms 
• Audio: 2 Channel single AV, Mono
• Video: 1 channel TV output, BNC, 1.0Vp-p, 75 Ohms
• Audio: 1 Channel single AV
• Power supply: 12 V, 5 A
• Working Humidity: 10% to 90%
• Dimension: 319 (W) x 227 (L) x 50 (H) mm

Camera Spec:

Image Sensor: Sharp 1/4 CCD

• Resolution: 420 TV Lines
• Lens: 3.6 mm
• Minimum Illumination: 0 Lux (IR LED on)
• White Balance: Auto
• Video Output: 1Vp-p,75ohm, BNC
• Shutter Speed: 1/50
• IR Distance: 35 m
• IR Led: 12 x 3mm LED
• Cable Length: 18 M
• Dimension: Φ 87 (Base) x 67 (H) mm
• Power Supply: 12 V, 500 mA