DDZC-01/02/03/04 DDZC-01/02/03/04 Digital Zoom Camera Detail Model DDZC-01 DDZC-02 DDZC-03 DDZC-04 Number of pixels PAL:752(H) x 582(V) NTSC: 768(H) x 494(V) PAL:500(H) x 582(V) NTSC: 510(H) x 492(V) Scanning system 2:1 Interlace Pickup device 1/4-inch solid state image sensor S/N ratio More than 48Db (AGC off) Horizontal resolution 480TV Line 420TV Line Video output 1.0Vp-p (75Ω, composite) Built-in lens 22x optical Zoom Ratio: 22x(3.9~85.8mm, F1.6-3.7) Digital zoom ratio 10x(total zoom ratio: 220x) 2x~10x variable N/A Angle of View Horizontal: 47 degree(wide) / 3 degree (Tele) Minimum illumination Day: 0.5lux, Night: 0.01lux 0.5lux Sync system Internal/System Camera control RS-422/485 Operation system ON/OFF (English/Chinese) Backlight compensation ON/OFF Black & White ON/OFF White balance Auto / Push Auto Electronic shutter NTSC: 1/60~1/10.000Sec PAL: 1/50~1/10.000Sec Supplied voltage DV 9V~15V (Recommendation) Power Requirement Max 4.5w/360Ma Dimension(mm) 60(W) x 60.4(H) x 103(L)mm