First Alert 420TVL 8-Camera Security Kit 1TB HDD Supports up to 8 cameras using 8 different channels. Allows you to record&#44; playback&#44; backup records&#44; access the internet and Pan&#47;Tilt&#47;Zoom Easy installation and connection to an existing monitor or TV. DVR features a 1 TB hard drive. Scheduled&#44; motion and alarm activated recording.