The wireless alarm system adopts the advanced Israel digital security technology which is of high reliability and of low false alarm rate. Though simple design , the strong function as it is, including anti-fire, anti-burglar, anti-gas leaking, anti-intrusion, and SOS Emergency, etc. The wireless detectors which pair with the system have the humanized functions of anti-interference, avoiding the false alarm etc. The alarm systems have been used widely in home, shop, financial office, villa, and apartment, all over the world.