Wireless audio intercom 433mhz, support 999 pcs intercoms with clear sound quality, multi channel & long range 1000meters: a wireless intercom system can be a convenient way to communicate throughout your house, office or warehouse.
This wireless intercom phones can be use in any environment such as hotels, offices, homes, etc. it has an inbuilt rechargeable battery that enables it to work for over 24 hours when there is no light or power outage. it covers a long distance range. no wire connection is needed thereby saving you the cost of running cables and punching your walls. easy to install, it is plug and play clear two way communication and has an impressive 100 meters within building and 500 meters in the open field without barrier transmission. operating instructions: 1. simply plug and play 2. the intercoms id code had been set. the id code is listed on the top right corner of intercom. 3. full charged the intercom or plug with adapter to power socket directly, turn on switch at the bottom. 4. dial the id number(1, 2, 3) for which you want to call and press call button, the called intercom will rings, pick up and answer the call.