Overview
The MZ-V20 is a classic wired video door phone — outdoor camera, indoor monitor, two-way talk and unlock support for permanent installs.
Who this lock is for
Homeowners and offices that want a dedicated wired intercom rather than a Wi‑Fi doorbell.
Ideal for
- Homes wanting a fixed wired system
- Villas and offices
- Buyers who prefer a monitor over Wi‑Fi doorbells
Common uses
- See and speak to visitors on the 7″ monitor
- Unlock from the monitor where wired
- Monitor the entry when idle
Door & fitment notes
- Requires cable runs and 12 V power — plan install carefully
When to choose something else
- Renters who cannot run cables
- Buyers wanting battery DIY only
Installation notes
Plan 4-wire runs and 12 V power. Test unlock wiring with your electric strike or lock before finishing walls.
Key features
- 7″ indoor monitor with outdoor camera
- Dual-way audio/video intercom
- Monitor unlock support for compatible locks
- Night vision and entry monitoring
- Wired 12 V system for homes, offices and apartments
Product details
The TMEZON MZ-V20 is a traditional wired video door phone: outdoor camera unit plus 7″ indoor monitor with dual-way intercom and unlock support. Night vision and monitoring help you see the entry without opening the door. Suits villas, offices and apartments where a fixed wired system is preferred over Wi‑Fi doorbells. Plan cable runs and power (12 V) before install — this is a proper intercom kit, not a battery doorbell.