Color:4PCS 1.0MP Cameras+8CH 720P DVR Easy setup and Remote viewingThe cameras connect point-to-point directly to the DVR for painless,non-complex'plug and play' setup.all you need to do is switch out the camera units and DVR and keep the same coaxial cabling that was there before. Our new generation of security systems revolutionizes closed-circuit surveillance by making remote access a reality,we created groundbreaking and beautifully designed interfaces for remotely managing or viewing your system using common PC web browsers(IE would be better) or smartphone.Day&night; surveillanceThe cameras' infrared mode is automatically activated in low lighting conditions and with system's uncompressed signal transmission which delivers realtime,highly reliable video security without loss,any intruder unfortunate enough to cross paths with your system will have their every move illuminated and captured in detail. Motion detection + alerts Customize motion detection exactly to your needs:set a perimeter zone,specify which areas of camera's motion grid are active and set a schedule for when the alert system is armed or disarmed.The motion sensor sensitivity can also be customized to prevent false alarms such as plants moving in a breeze.When a camera detects motion per your customized settings,it can activate multiple security responses including turning on the DVR's buzzer,sending an alert email and triggering recording. Ultra long continuous recording + backup by USB The System enables you to continuously and simultaneously record on all channels(four camera feeds)with HDD.Or by utilizing space-saving lower resolutions and motion detection settings,you can continuously record for up to 30+days before running out of storage space.In such an event the DVR can be set to automatically overwrite the oldest internally stored footage or you can transfer those video files by USB to a memory stick or external hard drive.