Wireless Intercom System, FTAN10A-04-FTAN10A-06 (1 Unit) 10-Channel Two Way Talkback System with 3 digital codes in secure,enough for you to have a safe and effective communication at home and office.Range up to 1000 feet and support by power bank, you can take intercom to anywhere, No WIFI requirement. Easy to set up and place, no installation requirement.With Anti-interference signal technology, the volume is crystal clear and adjustable. Work perfectly in your farm,store,office,basement,bar,bedroom. "Talk" mode can make a private conversation with the same channel code station."Group" talk with all intercoms simulataneously (even the devices with different cahnnel code),perfect for calling family or office members, delivering announcements, or emergency calls. "Lock" monitor the room as a baby & elder monitor, continuously last 10 hours. Samcom walkie talkie system can expand to an unlimited additional intercom stations.Connect ability to Samcom FPCN10A hand held two way radio. Samcom Intercom System have passed FCC,CE certified. Please be assured that we are here to make things easier and a lifetime quality warranty to insure your benefit.