WINSAFE HD PTZ Robtic Video Camera offer the high quality images, with SDI, HDMI, IP Video interface, support Pelco D/P and Visca protocol, 12X/20X/30X Optical Zoom choice, the best feature of this series camera are the low price, other brands of camera with this level of sophistication could cost you hundres to thousands of dollars. Now it HD PTZ Robtic Video Camera are more popular used on the broadcsting.