DECT technology guarantees zero interference & 100% privacy. Energy saving Smart ECO mode. Reassurance with crystal clear sound. LEDs light to signal noise levels. Monitor the temperature in the baby's room. Stay connected with talk back. Comforting nightlight and lullabies to calm your little one. Range up to 330 meters*. Always know that your are connected. * The operating range of the baby monitor varies depending on the surroundings and factors that cause interference.