Aico is very helpful in giving not only comprehensive guide to the range they manufacture and sell, but also in helping installers, contractors, and home owners  The Aico Ei141 is an Ionization Smoke Alarm that runs on 230V AC mains power, and has a 9V alkaline battery back up in the event of mains failure. The 9V battery will last for up to 4 years in standby mode, and capable of powering the smoke detector for up to 2 years in the event of mains failure. The Aico Ei141 is supplied with the Easi-Fit base that allows very quick and simple installation of the smoke alarm, combined with simple detector head removal and replacement. The Easi-Fit base automatically connects both mains power and battery as the detector head slides on to the Easi-Fit base.  The Aico Ei141 has other advanced features such as the ability to interconnect up to twelve alarms to allow all alarms to sound if just one of the interconnected alarms like ESP should be triggered.  The Visonic Group (TASE: VSC.TA) was established in 1973 by Moshe and Yaacov Kotlicki , It is a leading developer and manufacturer of cutting-edge home security systems and components that provide people around the world peace of mind and safety in their homes. Building on its decades-long position at the forefront of home security innovation, Visonic is today leading the drive to expand the boundaries of security, offering advanced solutions to the full range of residential safety needs, from securing the house and contents to safeguarding the health and comfort of the people who live there.  Rokonet is a most important supplier of comprehensive security solutions worldwide Comprehensive range of security systems ensures complete project flexibility, enabling the creation of ideal solutions for every size and type of installation – from small residences to large institutions.Aico is very helpful in giving not only comprehensive guide to the range they manufacture and sell, but also in helping installers, contractors, and home owners  The Aico Ei141 is an Ionization Smoke Alarm that runs on 230V AC mains power, and has a 9V alkaline battery back up in the event of mains failure. The 9V battery will last for up to 4 years in standby mode, and capable of powering the smoke detector for up to 2 years in the event of mains failure. The Aico Ei141 is supplied with the Easi-Fit base that allows very quick and simple installation of the smoke alarm, combined with simple detector head removal and replacement. The Easi-Fit base automatically connects both mains power and battery as the detector head slides on to the Easi-Fit base.  The Aico Ei141 has other advanced features such as the ability to interconnect up to twelve alarms to allow all alarms to sound if just one of the interconnected alarms like ESP should be triggered.  The Visonic Group (TASE: VSC.TA) was established in 1973 by Moshe and Yaacov Kotlicki , It is a leading developer and manufacturer of cutting-edge home security systems and components that provide people around the world peace of mind and safety in their homes. Building on its decades-long position at the forefront of home security innovation, Visonic is today leading the drive to expand the boundaries of security, offering advanced solutions to the full range of residential safety needs, from securing the house and contents to safeguarding the health and comfort of the people who live there.  Rokonet is a most important supplier of comprehensive security solutions worldwide Comprehensive range of security systems ensures complete project flexibility, enabling the creation of ideal solutions for every size and type of installation – from small residences to large institutions.