Bidirectional call phone wired Non visual intercom doorbell a couple non-Visual two-way voice

Item is intercom audio door phone, It is powered by AC or DC battery, connected the two unit set by two wires cable ,When you press the doorbell and can talk with other one at another end.

Operation distance 200m, 2-line connected, run wiring from point A to point B. Each handset connects to the other, with a new ABS plastic, durable

Each phone has a call button. The caller pushes a button that will make the receving handset ring loudly, realize the two-way radio, the sound quality is clear, no noise

They are battery powered, even worked in a blackout, and so far, months later with daily use, they are still going strong

This is a decent and inexpensive intercom system that uses 8 AA (4 in each handset) and a double wire line screwed onto the back of the bases to connect each set together, clear communication via, easy to install

Suitable for dwelling houses, tier buildings, multiple apartments, offices, factories and so on

 Model Number: TL-109AC/DC

* Voltage: DC6V(8x AA battery)(4 in each handset)

* Output sensitivity: <60mV(frequency 1000Hz)

* Frequency response: ±3dB(300Hz-3400Hz)

* Noise voltage: <10mV

* Ring sound level: >70dB(AT 0.5m)

* Quiescent current: <5uA

* Intercom working current: <100mA

* Color: white

* Talk time: unlimited, free calls

* Power Source: Battery/AC220V

* Range of application:Family,School,Restaurant,Office and so on

* Excellent consumer side of the tone circuit, intercom voice clarity

1 Set a double wire line screwed onto the back of the bases to connect each set together(wire line is not included),Within 30m use distance, you can use multicore cable to connect each set, in right ways,1-1,2-2,in each back of the phones,30-80m use distance, you can use copper wire to connect.

2 Insert 8 cells 1.5V AA batteries (4 in each handset)(alkaline) ,into the cabinet of the talkback pair

3 Press the call button to listen after the ringing , lift the handset microphone and you wait for the other to pick up the call

4 While talking, please speak into the microphone