Unique CTCSS/DCS is useful to setup group users to avoid unwanted conversations on the same channel. The radio of this Walkie Talkie can be switchable for both low power and high power. When talk range is small, the radio of this Walkie Talkie can be switched to low or middle power to save battery. You can listen to conversations from a remote location by preparing and properly positioning one walkie-talkie from a matched pair. This Walkie Talkie Phone transmit and receive radio signals to allow audio communication over varying distances. The microphone inside a walkie-talkie is engaged and receiving audio when the button on the side of the device is fully depressed. Leave one walkie-talkie microphone turned on to constantly send the audio feed a live conversation to the second radio in the pair. With this Walkie Talkie Phone, your work become easier and convenient. Don't miss this Best Walkie Talkie.