AVKANS PTZ Camera joystick controller completely compatible with Onvif, Visca over IP, SONY Visca, VISCA, PELCO- P & D protocol , Supports RS232, RS422, RS485 and Ethernet IP connections. PoE Enable, very easy to use, with one ethernet cable, you can power on this controller, and control all the cameras easily. Easy and professional to control PTZ Cameras, Pan, Tilt, Zoom, focus, Iris, backlight, presets, Pan Tilt Speed, zoom speed, camera menu, IMAGE FLIP, image freezed and more. Support 6 cameras shortcut. You can control up to 255 pcs PTZ Cameras. Better IP controller in the market. Compatible with PTZoptics PTZ Camera, JVC PTZ Camera, AVKANS Cameras, Honey Optics 4K NDI Camera, Marshall PTZ Camera, AVIPAS PTZ camera, SMTAV PTZ Camera, Fomako PTZ camera and so on. Special Features: Start/Stop Auto Tracking, Y-axix Invert, Web Interface, 6 DIY/Assign Keys