Infrared armor manual pan/tilt dome camera, with External adjustable 3.5-8mm Varifocal lens, 1/3" Sony Super HAD sensor, and 540 lines of resolution. The tri-axis enclosure design allows you to change the direction that the camera is facing without taking it apart. The built-in 3.5-8mm lens provides an adjustable field of view. The lens is adjusted from the exterior of the camera. 36 Infrared lights allowing it to see up to 50 feet in total darkness! Note: This camera not made by SONY, it using SONY Super HAD CCD image sensor and SONY DSP technology, made by one of the world largest OEM manufacture.