Securityman DigiLCDDVR2 Digital Wireless Surveillance System: * 2.4GHz digital wireless camera system * Up to 200" range between walls and 490" clear line of sight range * Color CMOS camera * IR LEDs for 30" night vision range * Built-in microphone * SD card slot for cards up to 32GB * No interference from analog devices * Audio and video output RCA interfaces from receiver to monitor * Display 1 channel or quad screen * IP54 weatherproof * Expandable up to 4 cameras * Includes 7" LCD monitor with SD recorder and 2 cameras