□JK-504
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◎Image sensor：1/3 Sony ccd
◎System：PAL/CCIR NTSC/EIA
◎IR leds:92
◎Distance:80m (AT Night)
◎Day&Night Camera
◎Validity pixels:PAL:500*582 NTSC:510*492
◎Horizontal definition:480TV lines
◎Scan frequency:PAL/CCIR:50Hz NTSC/EIA:60Hz
◎Minimum illumination:0.1LUX At night(LED ON)
◎Voltage:12V DC 

□JK-504PD
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◎Image sensor：1/3 Sharp ccd
◎System：PAL/CCIR NTSC/EIA
◎IR leds:92
◎Distance:80m (AT Night)
◎Day&Night Camera
◎Validity pixels:PAL:500*582 NTSC:510*492
◎Horizontal definition:420TV lines
◎Scan frequency:NTSC:525 Lines.60 Field/Sec PAL:625 Lines 50 Field/Sec 
◎Minimum illumination:0.5 LUX At night(LED ON)
◎Voltage:12V DC