Logisaf 3.5" LCD Monitor CCTV Camera Tester Video PTZ RS485 UTP Test Detector for Security System Installation and Maintenance TIME SAVER FOR CCTV INSTALLATION. 3.5" TFT LCD screen, 960(H)240(V) resolution. The case is really nice and it comes with everything you need to make your job much easier. VIDEO GENERATING: The PAL/NTSC multi-system colorbar video generator (seven-system switchable, transmit/receive seven-system colorful imagines); Automatically adapts and displays the video format of NTSC/PAL. PTZ TEST: Pan/tilts the P/T unit, zooms in/out the lens, adjusts the focus, aperture and sets and calls the preset position; PTZ address scanning, search up the ID of PTZ camera; Multi-interface and Multi-baudrate. Support RS232 ,RS485 and RS422 interface; baud rate ranging from 150, 600 to 19200bps. CABLE TESTING: It is powerful in testing LAN cables, measuring the connecting status displaying the sequence of connection and the NO. of the LAN cable; Data analysis. Captures and analyzes RS485 controlling data to help the technicians to find out the problem. LONG LIFESPAN: Lithium Ion Polymer Battery (3.7V DC3000mAh). Adopts advanced power control and protection circuit. High power-efficient, energy saving and environmental protection. It can last 12 hours for normal use after charging for 4 hours. And it also has a power adapter with 12V DC 1A output for charging.