4.1MP IP 2.8mm Infrared Dome Security Camera – Mammoth Technologies
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At Mammoth Technologies we provide FREE USA based tech support for the lifetime of your product. If you need help setting the system up on the Internet or just help will how to connect everything up just give us a call and we can help you. We have been in the surveillance industry for over 10 years and are extremely knowledgeable on both systems we sell and other that are on the market. If you have any question feel free to call us during our normal business hours or you can email us at

All the products we sell are designed to work with each other. We have tested everything to make sure installation is simple and easy. In addition, we include an easy to follow instruction manual written by us in plain English. You will not receive a manual that has been written by someone in China or overseas. Our goal is to make sure that you are 100% satisfied with your purchase. For example if you happen to buy a camera and you need a different style don't worry about it we will be able to exchange it for you for free. Also to make sure you have a trouble free install we test all the product before it is shipped out to you.

We have one of the best warranties on the market which is 3 years from the date of delivery. If any part becomes defective during this time we will replace it with the same or comparable part. This is a longer warranty than most in the security industry because we stand behind our products we sell. Also we make is easy to send back the defective item to us with a prepaid label.

4.1MP IP 2.8mm Infrared Dome Security Camera

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$ 399.95 $ 429.95

SKU: 3142W-28S

Product Overview

  • 4.1MP High Defnition
  • 2.8mm Fixed Lens
  • Up to 2688×1520 Resolution
  • 10 IR LEDs up to 33ft
  • 4.1MP High Definition, 2.8mm Fixed Lens, 2688x1520P, 10 IR LED up to 33ft, Audio I/O, Alarm I/O, Vandal Proof, DC 12V, PoE


    Image Sensor: 1/3" Progressive Scan CMOS
    Min. Illumination: 0.07 lux@F1.2, AGC on
    0 lux with IR
    Shutter time: 1/25s ~1/100,000s
    Lens: 2.8mm@F2.0
    Lens Mount: M12
    Adjustment Range: Pan: ± 15°, tilt: 0 ~ 90°, rotation: ± 15°
    Day& Night: Electronic
    Compression Standard
    Video Compression: H.264 / MPEG4 / MJPEG
    Bit Rate: 32 Kbps ~ 16 Mbps
    Dual Stream: Yes
    Max. Image Resolution: 2688×1520
    Frame Rate: 60Hz: 20fps (2688×1520), 30fps (1920×1080), 30fps(1280×720)
    50Hz: 20fps (2688×1520), 25fps(1920×1080), 25fps(1280×720) 
    Image Settings: Saturation, brightness, contrast adjustable through client software or web browser
    Network Storage: NAS (iSCSI optional)
    Alarm Trigger: Motion detection, tampering alarm, network disconnect , IP address conflict, storage exception
    Protocols: TCP/IP, HTTP, DHCP, DNS, DDNS, RTP, RTSP, PPPoE, SMTP, NTP, SNMP, HTTPS, FTP,802.1x, Qos (SIP, SRTP, IPv6 optional)
    Security: User authentication, watermark
    System Compatibility: ONVIF, PSIA, CGI
    Communication Interface: 1 RJ45 10M / 100M ethernet interface
    Reset Button: Yes
    Operating Conditions: -10 °C ~ 60 °C (14 °F ~ 140 °F)
    Humidity 90% or less (non-condensing)
    Power Supply: 12 VDC ± 10%, PoE (802.3af)
    Power Consumption: 4W MAX
    Impact Protection: IEC60068-2-75Eh, 50J; EN50102, up to IK10
    Weather Proof: IP66
    Dimensions: 99.9 × 97.5 × 46.5 mm
    (3.93" × 3.84" × 1.83")
    Weight: 250g (0.55 lbs)