Zoom digital camera 1.540TVL,auto iris,with IR-cut 2.super high focus speed 3.22x,27x optical zoom Zoom digital camera27x high speed ... ,support PELCO-D protocol,with power cut resume function,DC12V±10%, super low power consumption Trade terms1,Payment: By T/T ... English .3, Customized requirement is available , OEM&ODM are welcome.4, Exclusive and unique solution can be provided to our customer ...