The Dahua KTA04 is a 4-wire analog video intercom kit built for residential and small office applications that need a compact, reliable entry communication system. Combining a 4.3″ TFT indoor monitor with an analog outdoor door station, it delivers clear two-way audio, video calls, and remote door unlocking in a straightforward package.
At the core of the Dahua KTA04 is the VTH1010J indoor monitor, featuring a 4.3″ TFT display with 480 × 272 resolution. Its touch button operation gives residents an intuitive way to answer calls, view visitors, and manage volume settings directly from the screen.
The outdoor VTO1000J door station is equipped with a 1.3MP CMOS camera, supporting Digital Wide Dynamic Range (DWDR) for improved image clarity in varying lighting conditions. This ensures visitors remain clearly visible on the indoor monitor regardless of time of day.
Communication on the Dahua KTA04 is handled entirely through a stable analog 4-wire connection, offering dependable performance without relying on network infrastructure. Multiple bell sounds are available, giving residents the flexibility to personalize their entry notifications.
Functionality extends beyond basic calling, with the Dahua KTA04 supporting doorway monitoring alongside unlocking, voice calls, and video calls. This gives users a practical way to check activity at the entrance even outside of an active call.
Built with everyday reliability in mind, the indoor monitor of the Dahua KTA04 is constructed from durable ABS material and designed for easy surface mount installation. Its compact dimensions make it well suited for entryways, hallways, or small office reception areas.
With straightforward setup, dependable analog communication, and low power consumption, the Dahua KTA04 offers an affordable, entry-level video intercom solution for homes and small businesses looking to add basic visual entry security.
KTA04 – Kit Overview & Included Components
| Model | Component Description | Primary Role |
| DHI-VTH1010J | 4.3″ Analog Indoor Monitor | Compact display unit, touch button interface, power supply hub |
| DHI-VTO1000J | Analog Outdoor Door Station | 1.3MP Camera, mechanical call button, two-way audio unit |
KTA04 – Indoor Monitor Specifications
| Parameter | Detail / Value |
| Display & Resolution | 4.3″ TFT Screen (480 × 272) |
| Control Interface | Touch buttons |
| Communication Mode | Analog |
| Housing Material & Color | ABS / White |
| Power Supply | 12 VDC / 1 A (Power adapter included) |
| Power Consumption | Standby: ≤2 W / Working: ≤5 W |
| Installation & Accessories | Surface mount / Includes mounting bracket |
| Operating Conditions | –10 °C to +55 °C (+14 °F to +131 °F) / Humidity: 10%–95% RH |
| Dimensions (H × W × D) | 136.00 mm × 140.00 mm × 18.30 mm (5.35″ × 5.51″ × 0.72″) |
| Weight | Net: 0.16 kg (0.35 lb) / Gross: 0.42 kg (0.96 lb) |
| Certifications | CE, FCC |
KTA04 – 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 | Remote unlock / 1 × Exit button port, 1 × Door status detection port |
| Power Supply | Powered directly by the indoor monitor (DHI-VTH1010J) |
| 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 |
| 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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