This is a wired system, not wireless. DVR comes with NO Hard Drive. (Can view, but not record). Day & Night In 1080p Full HD. Day or night, the camera always protects your home with 1080p HD. The camera has 24 infrared LED lights, and the night vision distance can reach 80 feet, even at night, you can see the details clearly. See Clearer with Upgraded 8CH 5MP Lite DVR. Upgraded 5MP Lite DVR can work with 2MP and 5MP 12.5fps HD-TVI, CVI, AHD cameras. It supports up to 5MP HD video input, allowing clearer and sharper viewing experience. 265+ compression technology reduces video file sizes, save valuable hard drive space and provides an excellent and smooth viewing experience. Local View or Remote View from Multiple Devices. No Network needed, just connect the system to a monitor via HDMI/VGA port. Download the Zosi Smart app on your smartphone (iOS or Android), and enjoy four cameras simultaneous viewing on the app. You could also view the live view on computer via AVSS PC client. Smart Motion Detection and Rich Alerts. Detect moving objects and trigger alerts when dangers occur. You will receive instant alerts in forms of emails, App push notifications and buzzer alarms in the DVR when invasion happens. You can also set up specific motion zones and adjust the sensitivity to reduce unnecessary false alarm. Intelligent Plaback & Backup. Playback only meaningful video such as when motion is detected, Easily backup 2MP video to your USB flash drive. Customize Each Camera with Different Record Modes. ZOSI DVR offers 4 kinds recording modes to meet your needs. Continuous Record ; Scheduled Record; Motion Detect Record; Recycle Record. You can customize each camera with different recording modes, which allows you to save space on the hard drive. Conceal parts of the image from the live view to protection your privacy, the part you select will be marked as a black block regardless of the channel status. The IP66 weatherproof camera are suitable for both indoor and outdoor use, it perform pretty well on all kinds of weather conditions. DIY Security System-Easy to Install. Quick & Easy Connection. Download Free Zosi Smart App. Applied to Multiple Occasions.