DVR Security System Review

This is the Sony SNCDF50N security camera that has wide dynamic range and a feature known as ‘Dynamic Frame Integration’, this improves the clarity of images that include stationary and moving objects.  The Sony security camera has a 1/3 inch CCD image sensor and an effective pixel range of 768*494.  There are three user selectable video compression modes, these include MPEG-4, JPEG and H.264 video compression.

The camera is designed for use on computer networks and up to 20 users can monitor the cameras video feed simultaneously.  You can attach external alarms to the security camera, if you have motion sensors on your premises these can also be attached to the device.  The camera also has two alarm relay outputs that can be used to sound an alarm, you can program the camera to sound attached alarms based on various actions detected by the camera, i.e. motion detection.

You can configure the camera to transmit an image with its motion detection feature to keep you apprised of events.  One of the cameras more advanced features is object detection, this works by activating an alarm when objects enter and remain in the cameras view for a set period of time.  Object detection can be used to inform personnel when a subject in the vicinity of the security camera leaves behind a bag or to monitor the presence of motor vehicles.

There is a speaker output built in to the Sony security camera you can use to attach an external speaker to the device, you have the option record an audio file and store this in the cameras memory, this feature is known as voice alert.  Voice alert can be used in conjunction with the cameras alarm features, when the alarm is activated voice alert can be used to direct subjects in the cameras vicinity to walk to an exit on your premises.

The camera has a vari-focal lens and a shutter speed range of 1/60 – 1/10,000 s, the camera also has exposure control and white balancing.  The Sony camera has a horizontal resolution of 420 TV lines and uses an NTSC video signal.  You can zoom in up close to objects in the cameras range as it has a 3.6x optical zoom and a 1.5x digital zoom.

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