All these are wired system, not wireless. Complete system do not need Internet to work.However, an Internet will be necessary if you wish to use mobile for remote view. Notice: This is a variation listing with different types of cameras for option. Please choose the right one according to your needs. ZOSI CCTV system have multiple recording modes. Set motion detection, sechedule or 24/7 recording for each camera respectively to meet your needs. Security camera System detects movement and send you instant alerts in forms of emails, App push notifications and buzzer alarms in the DVR. Select date and time on the timeline or search for motion events or images based on your needs. You can playback footage at different speed, and save the video clips locally or share it to others.
This upgraded 8 channel 4-in-1 DVR supports up to 8 HD-TVI/CVI/AHD/CVBS security cameras. 265+ technology saves about 50% bandwidth and storage compared with H. 265+ help deliver sharper and smoother video. Upgraded 5MP Lite DVR can work with 2MP and 5MP 12.5fps HD-TVI, CVI, AHD cameras. It supports up to 5MP video input, allowing clearer and sharper viewing experience.This item is in the category "Consumer Electronics\Surveillance & Smart Home Electronics\Home Surveillance\IP & Smart Security Camera Systems". The seller is "zosi_cctv" and is located in this country: US. This item can be shipped to United States.