... auto read camera model when power on.4) The first designer of wide voltage in domestic, DC12V~AC24V, no need to identify "+" or ... spots10) 4 patterns scan routes and continuous track record of 1000 in action, time of up to 10 minutes;11) 4 auto levels ... various of protocols, PELCO-D, PELCO-P, KALATEL, AD, PHILIPS, SAE, VCL etc.18) Built-in temperature-controlled heating system and the speed ...