The Q-See Premium QC304-4E4 surveillance system with four high-resolution 700TVL bullet cameras is equipped with great features that are perfect for keeping a close eye on your home or business. Whether you want to deter theft, corroborate an incident, or document a delivery, this system is built to keep you connected with and protect what is most important both at home and at work. Q-See's four 700TVL bullet cameras produce clear surveillance images with excellent detail. These cameras with 756x504 effective pixels produce sharp, detailed images are capable of up to 100 feet of night vision to ensure your entire property is clearly covered both day and night. This DVR comes full of state-of-the-art features: ; Footage is captured in 2CIF on each channel, which results in a wider 704x240 resolution video image for improved recognition.; Q-See's start-up wizard advances through the setup process step-by-step making complete protection quicker than ever.; Real-time recording accommodates up to 30 frames per second on each of the 4 channels in order to produce smooth, continuous and uninterrupted video that reveals details not visible to the naked eye. This DVR's remote monitoring capabilities keep you connected, enabling you to keep an eye on your family, employees or customers from anywhere at any time. Simply download the free Q-See Apps and access live or previously recorded video via iPhone, iPad, Android, or Windows Phone. Instantly receive email alerts with incident snapshots when motion is detected or in the event a camera becomes disabled.As the frontrunner in innovation, Q-See is the trusted leader in surveillance solutions for home and business, delivering peace of mind anywhere, anytime.Package Contents:; 4 Channel 2CIF Digital Video Recorder; 4 x 700TVL Bullet Cameras; 4 x 60 Feet Cable; Adapter Q-see QC304-4E4-5 Video Surveillance System is one of many Security Cameras available through Office Depot. Made by Q-see.