Model No.	WS-501D	WS-501CL
CCD Type	1/4" Sharp Color CCD	1/3" Sony EX-VIEW CCD
Solution	DSP LR38627 + CCD RJ2421	DSP CXD3142R + CCD ICX633BK
Pixels	PAL: 512H x 582V, NTSC: 512H x 492V
Scanning System	PAL/NTSC
Horizontal Resolution	420 TVL
Minimum Illumination	1 Lux	0.01 Lux
SNR	≥ 48 dB
Video Output	1 V/p-p, 75 Ω
AGC	Auto
Backlight Compensation	Auto
White Balance	Auto
Exposure Mode	EE
Electronic Shutter	1/50(PAL) / 1/60(NTSC) ~ 1/100,000 second
Gamma Correction	0.45
Sync. System	Internal Synchronizaiton
Lens	3.6 mm single-board machine lens
Power Supply	DC 12 V
Operation Temperature	-20 ~ +50 degree centigrade