Expanding up to a Total of 4 Indoor Monitors and 2 Door Cameras
- 2-wire installation throughout the system
- Intercom function among monitors
- Suitable for villa and office purpose
- Expansion monitor can choose video or non-video
- Remote door release control
- Optional door sensor for status indication
- External sound or light indicator other than bell
- Automatic light supplement by white light LED
- Micro SD card slot with memory model
