H.264, 4-channel TVI 1080p / 720p and analog 960H / D1 real-time video, 12V DC, Tampering Alarm, USB HDD Storage, Supports UMTS / 3G / 3.5G / 4G, Automatic switch between WiFi and 3G, Supports over 50 PTZ models, Supports 29 languages on web s a powerful H.264 Video Server with compact size and supports multiple applications. It supports 4-channel TVI 1080p / 720p and analog 960H / D1 real-time video, fully integrated with GV-System (GV-DVR/NVR) / GV-VMS to form the most powerful IP solution. converts analog signals into high resolution digitized images up to 2 megapixels. It also supports over 50 PTZ models to fulfill various project demands. It can record video to a local USB storage, forming the smallest video recorder. It can also activate Tampering Alarm alerts when cameras are tampered with, which can prevent criminal activities successfully.