1) 2.5" LCD display cctv tester portable or wrist 2) High resolution LCD screen 3) Charging for camera 4) OSD menu english 1) Portable design; set the monitor function and PTZ control functions in one small and exquisite appearance.2) 2.5" LCD display, and show camera image 1-channel video input, 1-channel video input.3) OSD menu and easy to operate.4) Internet line test, can test the line is ...