- outdoor HD camera , indoor color screen video intercom
- see, hear and speak with the visitor who stands at your door.
- audio/video doorbell answering kit,collocation telephone set panel,,Electric-lock control.
- monitoring and unlock,night version, Two-way intercom Mute door intercom
- Night Version,capture images in low-illumination environment
- Waterproofing and oxidation-proof Case
- Easy to use,