... power for camera, CCTV TesterPRO 3.5TFT-LCD Monitor Audio input test KS-ST896 Features 3.5"TFT-LCD , ... cameraAudio input testAudio input testtest the pickup and other audio equipments on the front-endRS485 data analyst Data MonitorCaptures ... 1490, 1550, 1625nm Detector InGaAsLinkerFC/PC(SC, ST)Measurement Range-70~+10dBmDisplay Resolution0.01dBPOWERPower AdapterDC5V, 2ABatteryBuilt-in 3.7V Lithium ...