including an infrared system that detects motion

john9221 · Wysłany: Wto 14:34, 22 Mar 2011

yilai:
[link widoczny dla zalogowanych]
[link widoczny dla zalogowanych]

http://www.vafora.fora.pl/trans,1/our-website,7396.html#7474

orld.
Wireless alarms, including an infrared system that detects motion, are a new alternative in home security devices. These easy-to-operate wireless alarms mount easily and can be used to protect a single room or an entire home. Depending upon your needs and price range [link widoczny dla zalogowanych], there are wireless alarm systems available for every lifestyle and budget. Whether you need a dual function door security bar to protect your garage [link widoczny dla zalogowanych], an infrared system that detects motion to protect your apartment, or a glass breakage alarm for your entire home [link widoczny dla zalogowanych], you can find a wireless alarm system to meet your needs.Types of Wireless Alarms :Room alarms are the most basic wireless home security devices, and use infrared technology to sense motion. Once activated, an infrared system that detects motion will sound an alarm when the unit senses movement within the room. Some of these infrared technology devices create an infrared triangle that covers the perimeter of the room, while others are designed to be used on specific entry points. These are the least expensive of wireless home security devices.Other wireless home alarm systems operate more like a traditional hard-wired alarm, complete with a keypad and various sensors that are installed around the living area. These units are e