Defender STEALTH1EX Recording System 2 Covert MPEG4 DVRs with Built-in Color Pinhole Surveillance Camera (White) Record up to 45 continuous days on each of the included 2GB SD cards Do-it-yourself imitation motion sensors allow you to set up and monitor your business without need for a professional installer Battery operable DVRs allow for completely wire free monitoring in two locations DVRs connect to TV for easy reviewing or remove the SD card for viewing and archiving video footage on your computer 24/7 lifetime customer support representatives will help whenever you need it. Just call 1-866-946-7828