- 1 mechanical call button module
- 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-3100DHI-VTO4202FB-MB11 call button module for Dahua VTO4202FB-X modular system