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In addition to your eyes, it can scan your fingerprints or recognize your voice. It's a great choice for people with fat bank accounts who harbor government secrets, but for the rest of us, digital door locks offer a cheaper home security option. Digital door locks can be opened with an electronic "smart key" or a remote, or you can open them by typing numbers on a pin pad. These locks are almost impossible to pick. Burglars want to get in and out of a house as quickly as possible. The longer it takes to enter a home, the more likely someone will notice and call the police.

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Its service areas comprise manned guarding, home security, fire defense, and security technology and consulting. Prosegur is Spain’s biggest private security firm, and in 1987 it made history as the first company of its kind to be listed on the Madrid Stock Exchange. In 2011 the firm earned $233. 748 million. With a task force of over 4,700 armored vans, Prosegur is well known for its cash in transit services, which it outsources to banks around the world. The company’s technology services include CCTV monitoring, access control, and “anti intrusion and perimeter detection. ” Meanwhile, guarding provisions feature armed and unarmed guards as well as K 9 units and VIP protection. Aegis Defence Services is a British private military company established in 2002 by former Sandline International director and British soldier Tim Spicer. The firm has foreign offices in Iraq, Kenya, Nepal, Afghanistan, Bahrain and the USA. It also had a hand in the establishment of the British Association of Private Security Companies. The company is involved with NGO, aerospace, and government and diplomatic sectors, as well as oil, gas and mining industries.

 

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Lithium sensor batteries, for example, can last three to five years. When they do run low, the system lets you know well in advance. Choose a controller with back up battery so the system will stay active in the event of a power outage or if the Internet is down. If you will be installing smoke alarms you’ll need the extra power of a 24 hour battery back up, not the 4 hour back up offered by many manufacturers. THE COST FOR SECURITY There are two costs to keep in mind when shopping for a home security system. The first is for the equipment and the installation, if you’re having it done by a professional.