- Module with 2 mechanical call buttons
- It is part of Dahua's VTO4202FB-X modular system
- The modules make the system highly expandable
- Anodized aluminum panel
- Degree of protection IP65
- Anti-vandalism IK07
DAHUA-3101DHI-VTO4202FB-MB2Dahua VTO4202FB-X 2-button call button module for modular system