Lorex SG8504 14-inch Color Quad Monitor Combo with 4 Cameras
List Price: $1899.99

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Product Description

The Lorex SG8504 14-inch Color Quad Monitor Combo with 4 Cameras provides convenience, versatility, and quality in a robust and complete system. This system allows you to view up to four camera locations in real-time sequentially in full-screen, or simultaneously in quad or PIP (picture-in-picture) modes. The included four cameras have a built-in motion-sensing function so you won't miss any action, while the built-in time-lapse VCR allows 24-hours of real-time and 1,280-hours of total recording. Rich in features, the Lorex SG8501 is a complete, self-contained observation system perfect for everything from the home or business applications, to professional security installations.

The SG8501's 14-inch color picture-tube monitor can be operated via its built-in main panel or via an included remote control. Protected by a durable metal cabinet housing, this monitor includes four DIN/BNC (Bayonet Neill-Concelman) composite video inputs, and four RCA audio inputs. Also included are four alarm inputs with one alarm output for connecting external alarm devices. The SG8501 monitor features single or twin PIP viewing options, full-screen or PIP auto-sequence display functions, and a digital freeze with a 2x zoom. The SG8501's monitor runs on 120-volts of AC power, achieves an high horizontal resolution of 525 TVL (TV lines) at up to 30 fps (frames-per-second), and has an operating temperature of 41 to 104 degrees Fahrenheit.

The four cameras that come with the SG8501 utilize 0.25-inch color CCD (charge-coupled device) image sensors with 3.6mm fixed lenses. Powered from the monitor via their connecting cables, these cameras achieve a horizontal resolution of 330 TVL and can receive a usable picture at a minimum illumination level of 0.1 Lux for very low-light condition viewing. Constructed of durable white ABS (Acrylonitrile Butadiene Styrene) plastic, these units feature automatic electronic shutters with speeds ranging from 1/60 to 1/100,000 of a second, and PIR (passive InfraRed) motion sensors that alert you of camera activity. The SG8501's cameras come with their own 63-foot connection cable, and can operate in temperatures ranging from 14 to 122 degrees Fahrenheit.

The Lorex SG8501's built-in time-lapse VCR utilizes a dual azimuth four-head rotating helical scanning system that provides a resolution of 250 horizontal TVL in color recording. This unit operates on the NTSC color TV system and includes four selectable audio recording speeds as well as 14 selectable video recording speeds. The SG8501 uses a standard BNC (Bayonet Neill-Concelman) with RCA coupler video input/output connection, and a standard RCA audio input/output connection.

Technical Features:

  • Camera lenses: 3.6mm fixed
  • Sensitivity: minimum illumination of 0.1 Lux
  • Image sensor: 0.25-inch color CCD
  • Resolution: monitor 525 TVL up to 30 fps, camera 330 TVL
  • Operating temperature: 14 to 122 degrees Fahrenheit for camera; 41 to 104 degrees Fahrenheit for monitor
  • VCR recording space: 24-hours real-time, 1,280 hours total
  • Camera dimensions: 2.5 x 3 x 2 inches (W x D x H)
Designed primarily for indoor use, the Lorex SG8501 offers you everything you need in a security surveillance system. Perfect for small- to medium-sized installations, the SG8501 allows up to four cameras to be controlled, viewed, and recorded all by a single unit. Users should note that the CCD image sensors in the cameras may become permanently damaged if exposed to long hours of direct sunlight or halogen light, so the cameras should not be mounted or pointed directly at the sun or other bright-light sources.

About Surveillance Camera Technical Features
Lux rating is the measurement used to indicate how sensitive a camera is to light, and stands for the level of light reflected off a piece of paper by a candle from one meter away. Thus a sensitivity of three would mean a camera could generate an acceptable picture of a piece-of-paper-sized object that was illuminated by the equivalent of three candles from one meter away. The lower the level, the better the camera's ability to work in low-light conditions. The camera's resolution should be greater than or equal to the resolution supported by the system's recorder or monitor. The S/N, or signal to noise ratio, is an important measure of a camera's quality. A poor camera, low-light conditions or poor wiring causes "noise" which consumes processing power and disk space. A camera with a wide dynamic range is ideal, especially for recording areas in which both indoor and outdoor light are present. CCD (charge-coupled device) sensors provide high-quality images that are less susceptible to noise. CMOS (complimentary metal-oxide semiconductor) sensors offer less image quality, but are usually more cost-effective and energy efficient.

  • 14-inch color monitor is constructed of sturdy metal
  • Includes four 0.25-inch color CCD image-sensor cameras
  • Monitor allows for simultaneous recording and viewing of up to four cameras
  • Cameras include built-in infrared motion sensors to alert user of camera activity
  • System features two-way audio and built-in time-lapse VCR for recording