2.8" LCD Monitor Multi Function VIDEO CCTV Camera PTZ Test Tester Controller,12V Output 2.8"TFT-LCD , 960H240Vresolution,DC12V power output Audio input,Adjustable brightness,Automatically identify and adapt video mode of NTSC and PAL Colorbar Video signal generator, transmit/receive colorful images Support more than twenty kinds of PTZ controller protocols. PELCO-P, PELCO-D, SAMSUNG etc.