TD-7421AS4S is a high-performance 2MP analog bullet camera offering dual illumination with IR and white light, delivering real-time full-color imaging. It supports multiple signal formats (AHD/TVI/CVI/CVBS), long-distance video transmission, and features built-in audio via coaxial cable. Designed for robust outdoor surveillance, it is IP67-rated and equipped with various image enhancements.
Product Features
2MP resolution (1920 × 1080)
AHD / TVI / CVI / CVBS signal output (switchable)
Dual illumination: IR (20–30m), White light (up to 20m)
CMOS progressive scan for clear motion capture
Real-time 1080P video (25/30fps)
Built-in microphone (1CH coaxial audio; TVI mode only)
OSD menu control via coaxial cable (COC)
Digital WDR, 2D DNR, BLC, AGC, Auto White Balance
Supports CVBS (960H) analog output
IP67-rated waterproof housing
Technical Specifications
| Category | Details |
|---|
| Image Sensor | 1/3″ CMOS |
| Resolution | 2MP (1920 × 1080) |
| Signal Output | AHD / TVI / CVI / CVBS |
| Image System | PAL / NTSC |
| Frame Rate | 2MP@25/30fps for AHD/TVI/CVI |
| Min. Illumination | 0.005 lux @F1.2 (AGC ON); 0 lux with LED ON |
| Lens | 2.8mm, M12 mount |
| View Distance | IR: 20–30m; White light: up to 20m |
| Audio | 1CH built-in mic; Coaxial audio supported in TVI mode |
| WDR / DNR | Digital WDR / 2D DNR |
| Image Enhancements | AGC, AWB, BLC, Contrast, Saturation, Sharpness |
| Defect Correction | Auto |
| Language Support | Chinese and English |
| Function Control | OSD via COC (coaxial control) |
| Angle Adjustment | Pan: 0°–360°, Tilt: 0°–80°, Rotation: 0°–360° |
| Ingress Protection | IP67 |
| Power Supply | DC12V (±10%) |
| Power Consumption | <1W (LED off), <4W (LED on) |
| Operating Temp | -10°C ~ 40°C, 10%–90% RH (non-condensing) |
| Dimensions | 162.1 × 74.8 × 73.8 mm |
| Weight | Approx. 0.25 kg |
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