【Wireless Pro - 100-meter Transmission Distance】Hiseeu Wireless Security Camera System, Integrated NVR, 1920P 5MP, 4-Camera Set, 1TB HDD Built-in, Expandable to 10 Channels, Remote Monitoring, Two-Way Audio, Waterproof IP66, AI Motion Detection, Indoor/Outdoor Security (4 Cameras + Integrated NVR with 1TB HDD) Model Number: WK-4HB315-AT Retail Price: ¥42,800 Only opened for photography. Please check the website for details.