Sylvania SY21424-A 21-inch Color Quad Observation System with 4 Cameras
by Lorex Corporation
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Digital Photo Product Details
Manufacturer: Lorex CorporationModel: SY21424A
Product features:
- 21-inch color monitor is constructed of sturdy metal
- Includes four 0.25-inch color CCD image-sensor cameras
- Monitor allows for simultaneous viewing of up to four cameras in full-screen, quad, or PIP display modes
- Cameras feature sensitivity of 0.5 lux for low-light viewing conditions and include 2-way audio capability
- Cameras include 63-feet connecting cables for flexibility in placement
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Description of Sylvania SY21424-A 21-inch Color Quad Observation System with 4 Cameras
The Sylvania SY21424-A 21-inch Color Quad Observation System 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 built-in microphones and speakers allowing audio communication between the monitor and any camera location. Rich in features, the Sylvania SY21424-A is a complete, self-contained observation system perfect for everything from the home or business applications, to professional security installations.The SY20CSY21424144-A's 21-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, as well as four alarm inputs and two alarm outputs for connecting external devices. The SY21424-A monitor displays date/time/camera and features single or dual PIP viewing options, a video loss-detection warning, and selectable still-frame in quad or full-screen display modes. Multi-voltage compatible, the SY21424-A's monitor runs on 100 to 240-volts of AC power, achieves a horizontal resolution of 450 TVL (TV lines) at up to 30 fps (frames-per-second), and has an operating temperature of 32 to 104 degrees Fahrenheit.
The four cameras that come with the SY21424-A 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 0.5 Lux for low light-condition viewing. Constructed of durable white ABS (Acrylonitrile Butadiene Styrene) plastic, the SY21424-A's cameras come with their own 63-foot connection cable , and can operate in temperatures ranging from 14 to 122 degrees Fahrenheit.
Technical Features:
- Camera lenses: 3.6mm fixed wide-angle
- Sensitivity: minimum illumination of 0.5 Lux
- Image sensor: 0.25-inch color CCD
- Resolution: monitor 380 TVL up to 30 fps, camera 330 TVL
- Operating temperature: 14 to 122 degrees Fahrenheit for camera, 41 to 104 degrees Fahrenheit for monitor
- Monitor dimensions: 19.5 x 18 x 18 inches (W x D x H)
- Camera dimensions: 2.5 x 3 x 2 inches (W x D x H)
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.
What's in the Box
Monitor, 4 cameras, 4 camera stands, and 4 cables (57 feet).
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