The Triplett HDCM-4K is a 7” HD TFT LCD monitor with 1920 x 1080P and 1.4 HDMI. It connects using HDMI, Composite BNC-In/BNC-Out, and Component BNC. AC powered or uses an externally mounted, easily swapped rechargeable battery. It can be used for temporary or permanent connection to any NVR, DVR, Cable/Satellite box, computer, or other video source that has an HDMI or BNC connection. Use with Security Cameras during setup, testing, and monitoring; DVRs, Cable/Satellite TV boxes, and DVD Players; Computers and Laptops as a second monitor; DSLR Cameras as a second screen while broadcasting live events; Raspberry PI Projects, and much more. Versatile stand allows placement on top of desk or DVR/NVR, mounting to wall, or mounting to IT cabinet or server rack. Includes wall-, desk-, or rack-mountable stand, AC adapter, rechargeable battery and external charger. 1 year warranty.