Wireless intercom system, no telephone wires needed, save your phone bills.
Clear Voice and Secure Digital Communication. 433MHz working frequency, anti-interference signal. It needs no installation nor an installer, simply plug and use.
Built-in rechargeable battery, works with or without electricity power, standby time 30 days.
Long communication distance up to 500m(depending on the environment).
Can be placed on desk or mounted on any surface, horizontally on wall surface or vertically on any flat surface.
A wireless intercom system can be a convenient way to communicate throughout your house, office or warehouse.
This Plug & Play Wireless Intercom is very simple to use, clear two way communication and has an impressive 100 meters within building and 500 meters in the open field without barrier transmission