Peace be upon you Used Hikvision surveillance cameras in clean condition with the receiver. Model: DS-2CD2783G0-IZS. The price of a new unit today is 700 Riyals. Main technical specifications: Image Resolution: Provides high image quality with 8 megapixels (4K), offering very clear and detailed visuals. Lens: Equipped with a motorized varifocal lens ranging from 2.8 to 12 mm, allowing remote adjustment of the viewing angle and focus. Night Vision: Supports infrared (IR) technology with a range of up to 30 meters for capturing images in complete darkness. Image Enhancement Technologies: Supports 120dB WDR technology to handle strong backlighting conditions, in addition to digital noise reduction (3D DNR). Durability and Resistance: Rated with an IP67 standard for water and dust resistance, and an IK10 standard for vandal resistance, making it suitable for outdoor installation. Connectivity and Power: Power Supply: Can be powered via a 12V (DC) adapter or directly through the network cable using PoE technology (802.3af). Storage: Contains a Micro SD memory card slot supporting capacities up to 128GB for local storage. Additional Ports: The model (ending with S) includes audio (Audio I/O) and alarm (Alarm I/O) interfaces. Smart Features: Supports behavior analysis functions such as line crossing detection and intrusion detection, in addition to facial detection. Utilizes advanced video compression technologies H.265+ to save storage space and reduce network bandwidth consumption.