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Zoom Day-Night Vandal-Proof IR LED Outdoor Camera STC-3671 MD

  • High 580/620 TVL (Color/BW) resolution
  • Minimum scene illumination: 0.2/0.02 Lux (Color/BW); 0.004 Lux (frame integration); 0 Lux (IR illuminator ON)
  • Built-in 22x zoom autofocus & auto iris lens (3.9-85.8 mm)
  • IP66-rated metal housing
  • Built-in IR illuminator (78 LEDs)
  • Viewing distance with IR illumination up to 90 m
  • Backlight compensation
  • Digital noise reduction
  • 2x-256x frame integration
  • Built-in hardware motion detection
  • Privacy zones
  • Alarm input/output
  • Auto zoom and autofocusing on alarm or motion detection (8 presets)
  • RS-485 control interface
  • Pelco D/P protocol supported
  • Built-in heater
  • Feed-through 3-axis mount supplied
  • 24 VAC voltage input voltage
  • Setup via on-screen menu system (remote or IR controller)

Steady Operation in Adverse Outdoor Environment
Weatherproof design of the STC-3671MD is ensured by the IP66-rated metal housing. A built-in heater ensures camera operation at low temperatures (up to -40С). Rugged aluminum housing allows to use the camera at facilities with high risk of vandalism.

Day-and-night surveillance
Day-night feature with mechanical IR cut filter ensures STC-3671 MD operation in different lighting conditions. When Color or B/W mode is selected, the camera will produce only color or only BW image regardless of lighting conditions. At the same time, the STC-3671 MD allows for manual selection of the light level, at which the camera will automatically switch from Color to B/W mode, quickly adapting to changing conditions.

IR Illuminator - Viewing in Total Darkness
78 built-in highly effective IR LEDs insure the STC-3671 MD operation even in zero-light conditions. They turn on simultaneously with camera switching from day to night mode and provide viewing distance of up to 90 meters. If required, you can adjust IR illumination intensity in camera setup menu.

The camera is equipped with 22xzoom autofocus and auto iris lens, complemented with 16x digital zoom.

Image Enhancement Features
Automatically activated digital noise reduction (DNR) effectively eliminates image noise in low light conditions and, consequently allows to save disk space when video is recorded. To improve video quality at light levels below 0.02 Lux, you can select the frame integration mode with sense up level automatically selectable within the range of 2x to 256x. Backlight compensation feature allows to get more image detail in strong back lighting conditions.

Presets and Alarm Actions
The STC-3671 MD supports up to 8 presets. For each preset user can define zoom, focus, iris and back light compensation levels. Presets activation can be set by alarm or by motion detection. ZoomMatic feature allows to activate auto zoom (up to 22x) and autofocus by external sensor or built-in motion detection, ensuring quick response to any changes in the scene and accurate license plate number or face recognition.

Easy Setup
Camera can be easily setup via on-screen menus, accessible from PTZ controller, DVR, or IR remote control, supplied with the camera. Setup menu access is password protected.

Three-axis camera mount with cable feed-through provides flexibility in camera positioning and allows to install cameras on any horizontal or vertical surfaces.

Specifications of the Smartec STC-3671 MD 


STC-3671/2 MD

Camera Type:


Image Sensor:

1/4" CCD

Picture Elements:

795 (H) x 596 (V)


580 TVL (Color) / 620 TVL (B/W)

Day/Night Switching:

AUTO (by internal light sensor)

Minimum Scene Illumination:

0.2 Lux (COLOR); 0.02 Lux (B/W); 0.004 Lux (Frame Integration); 0 Lux (IR illuminator ON)

Mechanical IR Cut Filter:


S/N ratio:

> 50 dB (AGC OFF)

Electronic Shutter:

1/50 s -1/100000 s

White Balance:



ON /High/Normal

Frame Integration:

Off/2x -256х

Digital Noise Reduction:


Back Light Compensation:



22х zoom autofocus and auto iris lens

Focal Length:

3.9-85.8 mm

Angle of View:

49.5° ~ 2.4°

Digital Zoom:


Minimum Distance to Object:

1.0 m

IR Illumination:

ON/OFF (brightness adjustable via camera menu)

Number of LEDs:


IR LED Range:

Up to 90 m

IR LED Angle:


Synchronization System:


Control Interface:


Number of Presets:


IR Remote Control:


Motion Detection:


Alarm Inputs/Outputs:


Privacy Zone:

4 zones

Input Voltage:

24 VAC

Power Consumption:

Max 40 W with heater ON

Dust and Moisture Protection Rating:


Operating Temperature:

–40° C ... +45° C


114 x 102 x 210 mm


2.4 kg

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