How to choose buy DVR digital video recorder?
Make sure the security cameras, DVR or NVSS one year warranty and will provide new units if there is a problem with one Year and you should be able to purchase extended warranty for less than 25% of product value. This is important because it will not and you could lose all the investment in less than a year.
security cameras Guide User should be used with the security cameras product. If someone is going to buy a card and create a system of low-cost computers that cannot be.
Security System camera must have the ability and the option to save only the movement to save the file. Hard disk and avoid unwanted record.
The warning system when the security cameras are not working or disconnected for any reason.
The system generates alerts via email and / or SMS when an intrusion or movement and defined by the user.
To ensure that the system will work with existing wiring and cameras do not have to pay. Cost again if you want to replace the security cameras of old units. You may end up replacing the old cameras with night vision security cameras and the best may want to use some.
PTZ cameras or the like of you as will be seen that it is not easy to choose the security system cameras right (network) or network control of digital video recorder systems a choice and the market price.
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