This alarm system, SA-2000, detects any movement and sends automatically alert message/sound to the programmed numbers. It consists of semiconductor circuit which reduces the size of the unit. The sensor, with powerful detecting function ,perceives movement and informs you instantlythrough programmed numbers of telephone, mobile phone or pager. Features Economical Low power usage and no additional maintenance cost. Reliable Responds quickly and accurately to the programmed numbers with PIR and magnetic sensors which detect any moving objects. Simple Easy to install and use. Moreover, it is easy to re-locate. Dial up to two different phones or pagers within seconds ; you can be easily reached anytime. Main SA 2000 Motion detector Standalone Security System. To learn more on this product visit us at http://www.securitex.com.sg