Samsung Galaxy S

Caractéristiques et spécifications

 

 Samsung Galaxy S - Le Samsung Galaxy S a une Super écran tactile de 4,0

pouces AMOLED capacitif qui prend en charge 16 millions de couleurs. Il

a un appareil photo de 5MP avec auto-focus et donne une résolution d'image

de 2592 x 1944 pixels. L'appareil est livré avec une RAM de 512 Mo et un

espace mémoire de stockage de 8 GB/16GB. 

Samsung Galaxy S - Caractéristiques et spécifications

 

Importance Of Having CCTV Installers

By Nita McKinney


With the high occurrence of crime all over the world, no wonder why many people would want to have some kind of protection available in their homes, establishments, or workplaces. CCTV installers will be able to help you in your dilemma. Closed circuit television or CCTV is one way of having security in your place without having to pour a lot of money.

Studies suggest that installing surveillance cameras act as crime deterrent, and reports from the media suggested a decrease in the number of crimes reported where these cams are operating. If you are planning to buy a surveillance camera, the next step would be buying the one that fits your home. With so many options to choose from, one deciding factor could be the price, though these does not come too expensive.

Video resolution is probably one of things they ask first and, unlike other video recording devices, these use TV lines or TVL. They usually operate on analog systems and, just like pixels, the greater the number of TV lines, the picture quality is better. Those used in homes and business establishment uses 420 to 700 TVL whereas you can get higher resolutions from digital CCTV which does not come cheaply.

Internet viewing resolution should also be considered and it is can be measured by CIF or common intermediate format. When the CIF is high this means that you will have a more detailed image that is captured. They are highly advantageous in places which require a lot of security such as banks, pawnshops, hotel front desks, and government establishments so that it is easy for facial recognitions.

High frame rates of the video is great when you want your device to provide smooth footage without any jerks. The device captures images or snapshots and replays them in quick succession that makes it look like fluid motion or action and the frame rate is the number of images taken in a second. Thirty frames per second, fps, can already give a fine footage while 120 fps makes it almost a real time capture.

Before shopping for any packages, you should think about what part of the premises you should put a camera and the positioning of your cams. If you thought to put a surveillance outdoors, then you should buy one that can withstand all types of atmospheric condition such as snow, rain, heat, humidity and hail. Some might have a seal to protect them from floating debris, dirt or dust, and so on.

Most crimes happen largely at night, when most people are in their homes and asleep and where there are many shadows where criminals can hide from. Cameras with infrared, night vision are great for whole day recordings since they can capture high quality image even though the surroundings are dark. They also make facial recognition and identification easy.

Some packages offer online viewing for its clients. It includes registering a domain name with the security company and having them set up a personalized web page to view your videos any time and anywhere. This is great when you want to keep an eye on your business or home while you go somewhere else and some even offer tracking via smart phones.

The package is not complete without a dependable DVR system which records all the video data and store it for future references. This usually requires a large disk space though it can be purchased from what you prefer, ranging from 500 GB to two TB. You can always ask for more information from CCTV installers if you plan to buy one.




About the Author:



No comments:

Post a Comment