Electronic safety monitor and camera with sound and vision. No Wires between cameras and monitor. Mains power - no batteries to run down. No need to use your television or computor so available for your use. Easily moved around to match your movements as well as babies. May be placed outdoors in dry weather. Can double as a security camera. Transmits up to 90m. Infrared Technology provides a bright view of baby even in darkened room.