Toguard SC37 2K Security Camera System 10CH Expandable Home Dual Lens Cams with 10.1'' LCD Monitor and Color Night VisionAbout this item PTZ Security Camera and Continuous RecordingThis home security surveillance system uses H. 265 technology, which can greatly reduce the memory space of videos. The equipped 500GB hard drive supports 30 day loop recording. The camera supports horizontal rotation of 355 and vertical rotation of 90, enabling all round monitoring without blind spots. Dual lens Design and 10x Hybrid ZoomThe camera adopts long lens and short lens design to