This is a wired system, not wireless. This system comes with 1TB pre-installed Hard Drive(can view and record).Complete system do not need Internet to work. However, an Internet will be necessary if you wish to use mobile for remote view. Get a sharp and crisp image day or night with the camera's automatic IR-CUT filter Up to 120ft night vision vision. Aluminum weatherproof housing cameras can be Used indoors and outdoors. Solid metal housing provides the camera with better protection while being easier to dissipate heat for extended life span. Upgraded 5MP Lite DVR can work with 2MP and 5MP 12.5fps TVI, CVI, AHD cameras. It supports up to 5MP video input, allowing clearer and sharper viewing experience. Never miss any key monents with this 24/7 recording camera kit. 265+ technology saves about 50% bandwidth and storage compared with H. Enjoy sharper and smoother viewing with H. Security camera System detects movement and send instant emails, App push notifications and buzzer sound alerts to you. Set motion detection, sechedule or 24/7 recording for each camera respectively to meet your recording needs. Check in on your home or business wherever you have an internet connection. You can Live View & Playback on Smart Devices(IOS/Android) with WiFi or 2G/3G/4G Anywhere Anytime. 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, Canada, Denmark, Romania, Slovakia, Bulgaria, Czech Republic, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, Ireland, Netherlands, Poland, Spain, Italy, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi Arabia, United Arab Emirates, Qatar, Bahrain, Republic of Croatia, Malaysia, Brazil, Chile, Colombia, Costa Rica, Dominican Republic, Panama, Trinidad and Tobago, Guatemala, El Salvador, Honduras, Jamaica, Antigua and Barbuda, Aruba, Belize, Dominica, Grenada, Saint Kitts-Nevis, Saint Lucia, Montserrat, Turks and Caicos Islands, Barbados, Bangladesh, Bermuda, Brunei Darussalam, Bolivia, Ecuador, French Guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman Islands, Liechtenstein, Sri Lanka, Luxembourg, Monaco, Macau, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Vietnam.