Installing security lighting – a few considerations
Properly installed security lighting is a real boost to your peace of mind, particularly if the road you’re living in isn’t very busy – it’s good to have a very…
An Anatomy of a PIR Motion Detector for Alarm
There are so many passive infra-red motion detector in the market for alarm use, even I myself confused sometimes about the quality and functionalities of those units while their outdoor…
Nature barrier as the first line of defense
Perimeter Security Measures. A. Perimeter protection is the first line of defense in providing physical security for a facility. This can be accomplished by installing fences or other physical barriers,…
Design 1: An alarm system for protecting your premises from fire, water and intruder
You can have an isolated apartment, small house, cottage, and so on where you install some very expensive equipment for certain purpose; while it is located some remote areas and…
Different Kinds of Access Cards
Proximity card (or Prox Card) is a generic name for contactless integrated circuit devices used for security access. It can refer to the older 125 kHz devices or the newer…
How pet-immune motion detector works
Many people hesitate to purchase a home alarm, worried they may have to leave their family pet outside in order to arm their alarm system. The concern was that the…
CCD or CMOS Camera
Image sensor is the most important component for any CCTV security camera. This image sensor converts light into a digital signal. The two most basic types today are CCD (Charged…
When a wired burglar alarm system better than a wireless one
While there are so many wireless burglar alarm system in the market, the existence of wired burglar alarm system still has its un-parallel value in the market. There are features…
CCTV Lens Calculator
Lenscalc – Online Lens Calculator Lenscalc is a universal tool designed to eliminate the frequent errors, mis-readings, and interpolation problems associated with traditional lens calculators. It provides a streamlined solution…