Esee-Vision DVR without hard drive and Esee-Vision cameras with motion tracking and other features in the mobile app and DVR. There is also an application on the computer via Google. Four Wi-Fi security cameras. Important note: Whoever buys, do not ask me about the card's storage capacity. You buy a memory card for the camera. The cameras do not come with a card. For any other information, go to YouTube and type the camera name 'Esee-Vision' to get information. As for the DVR, I have shown you the system, the password entry mode to access the settings, then you update the device and enter your personal information. The explanation is finished 🙏 Cash on delivery in Jeddah 🙏 Shipping is not available, I apologize 🙏