DVR-4550 series - DVR4-4550, DVR8-4550, DVR16-4550 User Manual English Related articles Remote App Information and Downloads How to Reset the Password or Get the Recovery Code of Your Recorder DVR-5580 series - DVR4-5580, DVR4-5580G, DVR4-5580RN, DVR8-5580, DVR8-5580A, DVR8-5580G, DVR8-5580RN, DVR8-5580RU, DVR16-5580, DVR16-5580G, DVR16-5580G2, DVR16-5580RU Customer Support Quick Guide: Where to Get the Model Number of a Swann Product