The Samsung wireless security monitoring system offers digital frequency hopping technology to secure the signal from interference by other devices. It has a range of up to 330 feet and provides clear daytime and nighttime black and white video quality. While some complained about tinny audio quality, most reviewers were satisfied. Additional features include two-way talk, lullabies, zoom, temperature sensor, and the ability to add up to 4 cameras to monitor multiple rooms. However, some customers noted issues with temperature readings being inaccurate and lullaby audio quality.