Latest Author Articles from Stepius Piotzhttp://www.articleside.comen http://www.articleside.com/home-security-articles/perimeter-beams-sensors-for-all-types-of-security-concerns.htm a laser beam security can be one of the best answers to your home and office security needs. perimeter beams are popular because they provide comprehensive security and address all security concerns e... http://www.articleside.com/home-security-articles/features-of-advanced-boundary-beams-detectors.htm advanced security systems such as boundary beams detectors can be used to keep away unwanted visitors and intruders to your premises. they are available in single and multiple beams. the infrared acti... http://www.articleside.com/home-security-articles/active-infrared-sensors-for-uninterrupted-protection-from-intruders.htm active infrared sensors use both infrared source and infrared detectors. they operate by transmitting energy from either a led or light emitting diode or a laser diode. while the former id used for a...