The Uniden UDW10055 is a wireless security surveillance system. The system includes 2 outdoor and indoor cameras and a monitor with a range of 500 ft apart. It features a 2.4 GHz digital frequency hopping spread spectrum (FHSS) technology.The Uniden UDW10055 is good for home protection, nanny cam, room-to-room vision, backyard pool supervision, small business protection, more!