Evertech AHD + Analog CCTV TESTER Pro 3.5&rdquo; TFT LCD Monitor Video Tester, PTZ Tester & Cable Tester with Multimeter 11 Functions in One for SECURITY Camera DVR Systems Compatible with Analog High Definition and Regular Analog CCTV Cameras 3.5 TFT-LCD, 960(H) x 240(V) resolution PTZ Control. Pan/tilts the P/T unit, zooms in/out the lens, adjusts the focus, aperture and sets and calls the preset position. For CCTV system installation and maintenance 1 Year Warranty only if you purchase from Evertech USA Corp