Complete flush-mounted intercom over two wires
A set that contains everything needed to get a video intercom working: the door station, a 7 inch indoor unit, the 2-wire controller, the flush-mount box and the power supply. You need nothing else.
The connection runs over two wires, so existing doorbell wiring can often be reused. The indoor unit also has Wi-Fi, which allows the app on your phone to work.
What is in the box
Dahua states this composition:
- VTO2003F: the door station with camera, aluminium front and automatic infrared
- VTH5123H-W: the indoor station, 7-inch touchscreen with Wi-Fi
- VTNC1003C: the 2-wire controller that powers and connects the whole system
- VTM114: the flush-mounting box for the door station
- Power supply and power cable: included, so you do not need to buy a power supply separately
What you can count on
- Message when away: the visitor can leave video and sound, provided there is an SD card in the indoor monitor
- Connect a camera: the indoor unit can display an HDCVI camera, for example at the back door
- Six alarm inputs: on the indoor monitor, for example for door contacts or a detector
- Two locks: the door station controls a local lock and a second one
- Name plate: included with the door station
What to look out for
This is the flush-mounted version: the door station sits flat in the wall. If you want to mount it on the wall surface, choose the surface-mounted version with the VTM115 box.
Recording images and leaving messages requires an SD card in the indoor monitor. It is not included.
The details at a glance
| Indoor unit | 7 inch touchscreen |
| Connection | 2-wire hybrid |
| Wi-Fi | Yes, on the indoor station |
| Alarm inputs | 6 |
| Locks | 2 |
| Mounting | Flush mounting |
| Power supply | Included |
| Model code | KTX01(F) S2 |
The full specification is in the Dahua datasheet.
Frequently asked questions
Do I still need a switch or power supply?
No. The 2-wire controller and the power supply are included in the set. That is the difference with putting a system together yourself, where you have to order them separately.
Can I use my existing bell wiring?
Often, yes. Two wires are enough. Pay attention to the maximum distance and the quality of the cable; let us know the length if you are unsure.
Can I add a second indoor monitor?
Yes, the set can be expanded with an extra indoor monitor. Let us know how many screens you want and we will check whether the controller can handle it.
Does the app also work away from home?
Yes, provided the indoor monitor is connected to your wifi and therefore to the internet. You then receive a notification when someone rings the bell and can open the door remotely.













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