The Wuloo Wireless Intercom System is a modern voice intercom designed for home, garden, office, or store use. It features FM wireless intercom, room-to-room talking, and a 1-mile long-range communication. The device is wall-mounted and includes a talking function, calling function, and monitor function. It has 10 channels, a code quantity of 3, and a voltage of both 110V and 220V. The product size is 6.5 x 4.3 x 1.5 inches and it uses an AC adapter with a power port of 5V 1A. The intercom system is compatible with a maximum of 10 sets, and it supports a power bank with a 5V 1A output.