The DM-AN-Z22 Zoom Security  camera have 1/4" SONY Super HAD CCD , this security camera let you Zoom  zoom in and out locally and remotely up to 22X zoom controlled by a DVR or Keyboard, without losing picture quality using its high quality optical zoom. this camera uses Sony Super HAD Technology with built-in Auto Iris and Vari Focal lens. the DM-AN-Z22 zoom security camera feature 500TVL and that provide very high picture quality. This zoom camera equipped with day and night technology, which enable it to produce quality picture in low light conditions. This zoom security camera is easy to install and setup. it support Pelco D protocol and can be operate through PTZ control with RS-485. This security camera is perfect for indoor, day-night security surveillance use, for out. if you plan to install the camera out door, you need to install it inside a security camera housing. This camera is a commercial grade and can be install in home or commercial environment. The camera comes with full support and warranty.