A-ZONE 4CH 960P NVR Wireless CCTV Security Camera System -Four 1280TVL 1.0-Megapixel Weatherproof Wifi IP Surveillance Camera Kit for Home, Office, 80ft IR LED Infrared Night Vision, 2TB HDD 720P(1280x720) HD Network IP Camera: More Clear & Crystal Image.High resolution 960P NVR heavy-duty metal weatherproof 720P cameras for excellent video quality and clarity.36 IR LEDs monitoring at night. Open space 100 meter, room with walls is 30 meter. detection range (about80 feet) away, to ensure that the surveillance video and mobile detection with Night Vision. Premium HD 720P Video: Get into the Details with Stunning High-def Video. View Anywhere & Anytime: Free App for Live View & Motion Alerts Via Internet, Smart Phone and Tablet with WiFi or 2G/3G/4G. Plug & Play:The system will run when power on the NVR and 4 cameras in wireless mode.The camera housing is IP67 Weatherproof metal,can use in outdoor/indoor, comfortable home,office,shop,hotel,business. Pre-installed 2 TB HDD:which records over 360 hours scheduled recording or motion detection on all 4 camera. NOTED: The Wireless System Don't Mean You can Use the System without Any Cables. You have to Connect them to the Power Adaptors for Suppling Power to Camera and NVR.Have any questions, you may contact our customer service,We provided Lifetime professional technical support and Full 2-year warranty directly from A-ZONE.(12V 2A Power Adapter is for NVR, 12V 1A Power Adapter is for Cameras)