The Conceptronic 8-Channel AHD CCTV Surveillance Kit offers an ideal way to monitor a large house or building premises, for situations requiring professional-level surveillance. With superior quality, high-definition cameras stationed on all sides of the building, all access points can be securely watched at all times of the day and night. Sophisticated software allows easy monitoring of all eight cameras from any PC, laptop, tablet or smartphone. Cameras all conform to Weatherproof standard IP66, and operate in temperatures from -10°C to 50°C. Built-in infrared LEDs support night monitoring for distances up to 25 metres, providing crystal-clear images at any time, under any conditions. The quality cameras also offer full-screen, high resolution recording and playback. Storing your data is made easy and efficient with a high compression rate and one SATA HDD drives for recording up to 4TB of data (4TB per HDD ). Everything you need for safe, secure surveillance of your home or business, providing the utmost in peace-of-mind.• 4 x 1/4 inch CMOS 720P Day/Night Outdoor Cameras with a 8-CH Digital Video Recorder included• One 3.5 inch disk slot supports disk capacity of up to 4TB• Built-in infrared LEDs for night viewing of up to 25m• Weatherproof IP66-rated• Wide operating temperature (-10°C to 50°C)• 720P real time, full screen, high resolution recording• H.264 compression for efficient data transfer and storage• Built-in USB port for backup, firmware upgrade and mouse• Supports VGA, HDMI output• Supports iPhone/Android/Blackberry remote viewing over the Internet