... 3) The CCTV transmitting channel testing 4) PTZ controller2.8"TFT-LCD , 960H×240VresolutionAdjustable brightness, contrast, color of LCDVideo Level ... Security TesterVideo TestSignal modeNTSC/PAL (Auto Adjust)Display2.8 inch TFT-LCD ,960 x 240 resolutionLCD adjustAdjustable brightness, contrast, color ... 10---+50Work Humidity30%-90%Dimension/Weight166mmx95mmx48mm/293g 2.8"TFT-LCD CCTV PTZ Tester HK-TM801