3.5" LCD CCTV TESTER 1.DC12V 1A ... power output for camera 2.Digital Multimeter 3.Cable Testing 4.RS232,RS422,RS485,PTZ CCTV TESTER 3.5 ... 5 inch digital TFT-LCD ,960 x 240 resolutionLCD adjustmentBrightness, Contrast, Saturation adjustableVideo IN/OUT1 channel BNC Input & 1 channel ... 9600,19200bpsVideo Signal GenerationColor bar generationOutput channel colorbar video signal for testing monitor ...