Dual-stream H.264 codec records highest quality to hard drive and optimizes internet transmission speed simultaneously. E-mail and SMS text messages can be sent with images when activity is detected. Monitor and control select functions via the internet with a PC or Smartphone with free mobile apps available. Selectable grid video motion detection pinpoints what area desired covered, and helps eliminate false alarms. 500GB hard drive included, expandable up to 2TB. Dual-stream video processing records the highest quality video possible to the hard drive while adjusting the image compression to optimize the DVR"s internet transmission speed. Catch all of the action with global recording speeds up to 240 ips (30 ips per channel). Smartphone monitoring, e-mail with images, SMS text messaging with an image, or standard text only alarm notification messages provide maximum access and connectivity while on the move. Central Monitoring Station (CMS) Software gives you the ability to monitor up to 64 cameras on one PC screen. Video motion detection can be set to record activity to the hard drive, log the event in a list to simplify searches at a future date, and send an e-mail with an attached image of the event recorded. Eight external alarm contact inputs add to the flexibility of how events are recorded and alarm e-mail notifications are sent, including the all new TEMPAL . Displays the temperature of home or business"s monitored area on a camera"s video, and triggers DVR"s e-mail feature when there is a problem with heating, cooling, refrigeration units, etc. 13 column by 10 row grid displayed over each camera view during the motion detection setup process. Bullet Cameras have 12 infrared illuminators built into the camera to view in total darkness. 1/4" Color CCD with 3.6mm wide angle lens. Weatherproof case with adjustable sunshield. Light sensitivity: 0.001 LUX with IR on or .2 LUX with IR off. Built-in digital signal processor. 420 lines of resolution....