Item NO.

GT-W428i-E

GT-W428i

GT-W423i

Image Sensor

1/3" Sony Super HAD CCD HQ1 Solution

1/3" Sony Super HAD II CCD

Effective Pixels

PAL:752(H) x 582(V) NTSC:768(H) x 494(V)

PAL:512(H) x 582(V) NTSC:512(H) x 492(V)

Signal System

PAL/NTSC

Horizontal Resolution

540 TV Lines

420 TV Lines

Eclipse Funtion

Yes

No

Lens

4-9mm Varifocal (External Adjustable)

Electronic Shutter

PAL: 1/50~1/100,000sec(Adjustable) ; NTSC:1/60~1/100,000sec(Adjustable)

S/N Ratio

)50db

)48db

Video Output

1Vp-p/75 Ω

Audio Output

No

AGC

Adjustable

White Balance

Adjustable

Backlight Compensation

Auto

Gamma Characteristic

0.45

Sync. System

Internal

IR LEDS

42 PCS

IR View Distance

40 M

Power Supply

DC 12V

Dimension

245 x 230 x135 mm