Do I need to buy an NVR system for my Swann camera?
我需要为我的 Swann 相机购买 NVR 系统吗？
Yes, there's a need to. The NVR system comes separate from the Swann camera and you'll need to pay an extra amount of money to get it.
是的，有需要。 NVR 系统与 Swann 摄像机分开，您需要支付额外的费用才能获得它。