1. Cheap price
2. Easy to install
3. Clear voice
4. Energy saving
Introduction
This product be used in apartments, villas, hotels, offices, public buildings etc. two-way call and intercom. convenient for double rooms.
Directions for use insert 4 cells of R6P SIZE AA1.5V (alkaline) into the cabinet of either one of the talk back pair.
• When you want to have a talk with the other, press down the push button and bell of his or her set will
ring no matter whether you take up you handset or not .
• While talking, please speak into the microphone.
• When the talk is over, put back the handset, see it that the pilot light is off, or else the talkback set is still in working condition and continue to consume electric power.
• Our talkbacks are convenient to connect by means of twin conductor in common use, while connecting please pay attentio