Mechanical
Alarm Inputs: 4 pairs, Push-in
Alarm Outputs: 1 pair of relay contacts, push-in
Camera Inputs: 4 BNC
Monitor Output: 1 BNC and 1 S-Video

Electrical/Video/Audio
Input Voltage: 110v-220v, 50/60 Hz
Power Consumption: 50 watts
Video Standards: NTSC or PAL, switchable
Video Compression: Wavelet
Resolution:
Display: 720x480
Recording: 720x243
Recording Speed: 1-60 fps (NTSC), depending on system setup
Video Storage: 80 GB hard drive
Video Inputs: 4
Video Outputs: 2 (1 AV monitor, 1 S-Video)
Alarm Inputs: 4, Normally open dry contact
Alarm Output: 1, Normally open latching Form A

General
Operating Temperature: 41F - 104F (5C - 40C)
Relative Humidity: Maximum 80% non-condensing
Dimensions: 14.2"(W)x13.25"(D)x4.25"(H)
Shipping Weight: 20 lb