◎Aptitude judgment: When the theft comes into the protective district, it will stop the two or more infrared, which over 40ms will give out the alarm.

◎Recognize object: Can distinguish the size of the traversing object.

◎Good reliabilities: Anti-cutting function disturbs technology.

◎compatible with wired and wirelesss optional, suitable for different occasions to use, compatible with any brand alarm mainframe.

◎Anti-rain-wet: Anti-rain function can be used out door of wet places.