Wireless Intercom Phone With Inbuilt Battery (7pcs)

The wireless desktop intercom system connects up to 100 EXTENSION units.

The communication range is 400 to 1000m(1km), can cover up to 8 to 10 storey Building. This long range transmission is boosted by the 433Mhz frequency modulation which has no interference with our local frequency. 

The intercoms has internal battery backup as a provision and protection for our frequent power fluctuations and failure. The internal battery has the capacity and capability to power the system for over 24 hours without electricity. The battery life everything being equal is over 10 years.
The detachable USB adapter and power cable technology allows a power bank emergency charging.

This intercom system has already been programmed and coded with ID caller numbers. It is a plug and call system requiring no installation. It features multiple selectable ringing tones up to 38 selections and up and down volume level.

Highlights:

1. 2 to 100 wireless extensions

2. 400 to 1000m(1km) communication range.

3. Internal battery backup DC5v/3.7v lithium(45hrs standby)

4. 433Mhz non interference frequency

5. Preprogrammed caller ID numbers(0 to 99)

6. 38 different selectable ring tones

7. 3 levels up and down volume selection.

8. Desktop surface mounting(wall & surface mount)

9. USB detachable power adapter and cable.

10. Power bank emergency rechargeable.

Highlights:

1. 2 to 100 wireless extensions

2. 400 to 1000m(1km) communication range.

3. Internal battery backup DC5v/3.7v lithium(45hrs standby)

4. 433Mhz non interference frequency

5. Preprogrammed caller ID numbers(0 to 99)

6. 38 different selectable ring tones

7. 3 levels up and down volume selection.

8. Desktop surface mounting(wall & surface mount)

9. USB detachable power adapter and cable.

10. Power bank emergency rechargeable.