... Video Generating 4. Data analyst, PTZ controller 3.5" TFT-LCD Tester with Monitor / PTZ Controller / Video signal generator ST-894 CCTV Tester ... DC12V 1A DC power supply, to provide emergency power for the cameraAudio TestingAudio TestingInput 1 way audio signa to test ... reaches to 0.1mVAC/DC Current660uA , 6.6mA, 66mA , 660mA, 10AResistance660, 6.6k, 66k, 660k, 6.6M, 66MΩCapacitance test6.6nf~66000uF, ...