Wireless Intercom Phone (200 To 800meters) 6pcs

What matters most in wireless intercom systems is the transmission distance, frequency interference and units expansion capability, this system comes 100% innovative with breakthrough technology that conquers your imagination. It is a 433MHz frequency audio technology that transmits long range voice wave without inference between units within 100 extensions under meters and above communication range.
This system is smart, unique and an ease of communication. It is the newest and the smartest innovation in wireless intercom system. The features are ideal for homes, offices and big establishments. 
It is ruggedly but simply built in its glassy dirt and dust free black color to communicate up to communication during power fluctuations or failure as the case be may regarding to our environment.

FEATURES:
1. 2 to 100 extension units.
2. Inbuilt rechargeable battery backup
MHz long transmission frequency modulation up to m and above(can cover 8 to 10 storey building).
4. Black/White color design.
5. Preprogrammed with ID caller numbers.
6. Plug n call, no installation.
7. On/off switch, surge protection.
8. USB adapter (power bank optional charging).
9. Unique enhanced ring tone.
10. Expandable to any number of extensions according to customers request.
11. Availability of additional units at any time in the future after first purchase.
12. Vertical and horizontal mounting for table and wall surfaces.
PACKAGE CONTENTS:
1. Unit intercom telephone
2. USB adapter and cable.
3. User manual
4. Number card.