... , singal noise ratio is more than 48dB, electornic shutter 1/50(1/60)~1/100,000sec.*NTSC/PAL system ,Internal/ synchronization,DC12V 1000mA ... Small size, beautiful outlook, suitable for indoor installation. Technical parameter 1 Imaging Device: Shsrp Color CCD2 pixels: PAL: 500 (H) ... .8,3.6,6 lens optional7 BLC: Auto8 Electronic shutter: 1 / 50 (1 / 60) ~ 1 / 100, 000sec9 White balance: Auto 10 SNR:> ...