◎Special optical material, reduce optical loss.
◎Easily installation, continent adjustment, up/down left/right twirl function
◎DSP technology.  
◎BLC, electronic shutter, auto gain , white balance. 
◎Reliable function, stable quality, reasonable price.
◎ Fit for bank, hotel, shopping mall, office building ,hospital, school, government building.
◎Built-in 3.6mm fixed lens, 6mm optional. 
◎DC12V, low consumption.  
◎Popular appearance, small size.