The advantage of 2 wire bus entry system

1. Indoor monitor and outdoor station are powered by one central power supply, which is easier for installers to install the whole system.

2. It is easier for installers to check which part has the problem if the system can not work normally

3. 2 wire cable to connect indoor monitors and outdoor unit, which can save the total cost of cables

4. Indoor monitor with memory function, it can store the videos and messages

5. IP65 waterproof outdoor station, installers don't need to worry about the rain problem

6. IR led light to give the residents clearer night vision