Calford 3 Channel FM Wireless Home Office Intercom System Charcoal 2 Station CK30S87 NJD1B_TJ584

Product details:

- No installation required, FM 462 MHz wireless operation - Desk, wall-mountable, or portable (by using good portable phone battery – battery not included. Inferior phone battery may downgrade the transmission and reception quality) - Stations label for quick identification of designated stations. Easy to set up your designated station - Just press and hold the Channel Button until you hear a beep tone sounds and Button LED lights. One to one or one to all communication. Multi-channel operation for privacy talk and listen. - Quick and easy Direct CHANNEL select buttons, with A/B/C channel group switch to avoid unwanted signals. .