Wireless Security Camera System (BUILT-IN DVR Receiver) Infrared Surveillance (4) Quad View USB Quad Display 2.4ghz Night Vision Real Time Color 4 Camera Wireless USB DVR Security Camera Kit (LATEST BUILT-IN DVR RECEIVER!) - QUAD Display allows viewing of all 4 cameras simultaneously Infrared ( Night Vision ) - Audio - Indoor / Outdoor - Includes everything you need to set up a PC based security surveillance system in your home or store! 2000/XP (32 bit) compatible without additional hardware or software Remote Access / Viewing - Watch Your system anywhere in the world over a browser - Email Alert with Image - Send to any PC in the world NEW AND IMPROVED BUILT-IN DVR RECEIVER - MORE FEATURES and BETTER QUALITY PICTURE! Record all four cameras in real time without a delay