DESC: With the most technically advanced color design, our latest dome camera leads the security industry into the 21st century. the ED350's advanced digital signal processing provides users with the sharpest image possible. The dome also features a built-in varifocal lens for discreet surveillance or close-up viewing. The ED350 is the most innovative dome ever made.FEATURES:Pickup Device: 1/3 inch interline transfer CCDVideo Format: NTSC/PALScanning System: NTSC: 525 TV lines, 60 fields/sec. PAL: 625 TV lines, 50 fields/sec.Picture Element: 811 (H) x 508 (V) (NTSC), 795 (H) x 596 (V) (PAL)Effective Picture Elements: NTSC: 768 (H) x 494 (V), PAL: 752 (H) x 582 (V)Horizontal resolution: 480 TV LinesSensitivity: 1.42 lux, F=1.6S/N ratio: Over 48 dB ,Varifocal Lens: f=3.0~6.0 mm lux/F=1.2~360 manual zoom and focus adjustment, auto IRISIRIS Level: AdjustableBacklight Compensation: On/Off switch ,Auto Gain Control: On/Off switchAuto white balance: YesGamma Correction: 0.45Monitor output pin: yes,