The Dahua KTA02 is a 4-wire analog video intercom kit built for residential and small commercial applications that need a reliable, straightforward entry communication system. Combining a 7″ TFT indoor monitor with an analog outdoor door station, it delivers clear two-way audio and video calling in a single, easy-to-install package.
At the core of the Dahua KTA02 is the VTH1020J indoor monitor, featuring a 7″ TFT display with 1024 × 600 resolution. Its touch button operation allows residents to answer calls, view visitors, and unlock the door with a simple, intuitive interface.
The outdoor VTO1000J door station is equipped with a 1.3MP CMOS camera, supporting Digital Wide Dynamic Range (DWDR) for improved image quality across varying lighting conditions. This ensures visitors are clearly visible on the indoor monitor, whether during the day or in dimmer evening light.
Scalability is a practical strength of the Dahua KTA02, supporting up to 2 door stations and 3 indoor monitors within a single system. This makes it suitable for larger households or small offices that need multiple entry points or monitor locations covered.
Communication is handled entirely through an analog 4-wire connection, offering a stable and dependable link between the indoor monitor and outdoor station. Multiple bell sounds are available, giving residents the flexibility to customize their notification tone.
Built with durability in mind, the outdoor station of the Dahua KTA02 features an IP66-rated, weather-resistant design suited for exterior installation. The indoor monitor, constructed from PC and ABS materials, is designed for easy surface mounting in entryways or hallways.
With straightforward installation, dependable analog communication, and support for multi-unit expansion, the Dahua KTA02 offers a cost-effective video intercom solution for villas, apartments, and small offices looking to modernize their entry security.
KTA02 – Kit Overview & Included Components
| Model | Component Description | Primary Role |
| VTH1020J | 7″ Analog Indoor Monitor | Video display, touch button control, power distribution |
| VTO1000J | Analog Outdoor Door Station | 1.3MP Camera, call button, microphone & speaker unit |
KTA02 – Indoor Monitor Specifications
| Parameter | Detail / Value |
| Display & Resolution | 7.0″ TFT Screen (1024 × 600) |
| Control Interface | Touch buttons |
| Status Indicator | 1 Light (Green: Power on) |
| Communication Mode | Analog |
| Housing Material & Color | PC + ABS / White |
| Power Supply | DC 12V / 1A (Power adapter included) |
| Power Consumption | Standby: ≤2 W / Working: ≤5 W |
| Installation & Accessories | Surface mount / Includes bracket & 5 m (16.4 ft) cable |
| Operating Conditions | –10 °C to +55 °C (+14 °F to +131 °F) / Humidity: 10%–95% RH |
| Dimensions (H × W × D) | 133.90 mm × 182.70 mm × 17.70 mm (5.27″ × 7.19″ × 0.70″) |
| Weight | Net: 0.25 kg (0.55 lb) / Gross: 0.48 kg (1.05 lb) |
| Certifications | CE, FCC |
KTA02 – Outdoor Door Station Specifications
| Parameter | Detail / Value |
| Camera & Optics | 1.3MP CMOS / Field of View: 70° Horizontal, 40° Vertical |
| Night Vision & WDR | Auto IR Illuminator (ICR auto switch) / Digital WDR (DWDR) |
| Audio Input / Output | 1 Channel Mic (0.5 m pickup distance) / 1 Channel Speaker |
| Button & Indicator | Mechanical button / 1 Light (Green: Power on) |
| Unlock & Ports | Local unlock / 1 × Exit button port, 1 × Door status detection port |
| Power Supply | Powered directly by the indoor monitor (VTH1020J) |
| Power Consumption | Standby: ≤1 W / Working: ≤3 W |
| Housing & Color | PC + ABS / Silver |
| Ingress Protection | IP66 (requires silicone sealant applied to wall gaps) |
| Installation & Accessories | Surface mount / Includes rain cover & 5 m cable |
| Operating Conditions | –30 °C to +60 °C (–22 °F to +140 °F) / Humidity: 10%–95% RH |
| Dimensions (H × W × D) | 131.45 mm × 46.00 mm × 33.80 mm (5.18″ × 1.81″ × 1.33″) |
| Weight | Net: 0.18 kg (0.40 lb) / Gross: 0.38 kg (0.84 lb) |
| Certifications | CE, FCC |




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