[H.265+ 8CH 5MP Lite HD-TVI DVR] With our advanced H.265+ 8CH 5MP Lite HD-TVI DVR, you can enjoy high-quality video with low bit-rate due to the doubled data compression ratio provided by the H.265 technology. This DVR maximizes storage space, ensuring ultra-long recording without compromising video quality. Perfect for home security camera systems. Note: This system does not include a hard drive. If you need to record, you will need to purchase an additional hard drive | [Accurate Person and Vehicle Detection] With AI-powered detection system that accurately identifies and alerts you to any person or vehicle. Stay connected with our free app for live view and playback on your smart devices from anywhere, anytime | [IP66 Weatherproof & 80ft Night Vision] Designed with IP66 weatherproof camera housing, our cameras can be installed in any indoor or outdoor location. The high-quality ABS materials effectively prevent rust, ensuring durability and long-lasting performance. In addition, the built-in 24pcs IR LEDs provide up to 80ft night vision in total darkness and 130ft night vision in ambient light, ensuring clear and sharp images day or night. | [Expandable camera system] Our expandable camera system offers flexibility with an 8-channel 4-in-1 DVR that supports analog HD-TVI CVI AHD cameras. Easily extend your surveillance coverage by adding up to 4 additional 720P or 1080P bullet or dome cameras to your system. | [No Include Hard Drive] Please note that this system is sold without a hard drive. However, it is easy to assemble a 3.5 inch SATA 500GB to 2TB hard drive for your recording needs. The DVR need to work with a hard drive to record(not included). If you have product problems, please contact us anytime.