Install intruder detector

Install intruder detector

Intruder detector and other types security sensors are the most important part of security systems. There are various types intruder detectors for different environment application. They are outdoor detectors, curtain style detector, embedded curtain style detector, ceiling mounting detector, wall mounting detector, door and windows detector and photoelectric beam detectors etc.   Why are there so many types detector and […]

Security Service Upgrade

Security Service Upgrade

Network security service center is using a security system to receive protected areas’ security information and take action to stop crimes, prevent disaster. The security information transportation way is the core part of the security system. PSTN telephone network is the most popular security service center network. But with development of digital communication technology, security system is developed as well with […]

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