ZOSI 8-Channel HD-TVI 1080N/720P Video Security System DVR and (8) 1.0MP Indoor/Outdoor Weatherproof Cameras with IR Night Vision LEDs- NO HDD, 65ft Night Vision, Customizable Motion Detection H.264 8CH 1080N HD-TVI Video Recorder DVR NO Hard Drive.You need to install hard disk for Record and Playback.This 8channel 4-in-1 DVR which supports Analog, HD-TVI, CVI ,AHD Camera.It can compatible for 720P, 1080P Cameras. Weatherproof Cameras - Install the cameras outdoors or indoors to keep your home and business safe. 720p HD Video - Get a sharp and crisp image day or night with the camera's automatic IR-cut filter. Up to 65ft night vision. View from Anywhere Anytime  The ZOSI view app lets you see your cameras in one place. Check in on your home or business from anywhere in the world. Intelligent motion detection email alert with images; Smart playback available with customizable searching area (needs an internal hard disk drive, it can't record or playback without hard drive) Two year quality Warranty, Life time Tech Support ! If your product stops working in the first year we will replace it.