I found a awesome site that is http://www.wolfsecure-gsmalarms.co.za/
They have many wireless alarms security systems Product Live as:
Wolf Secure Wireless door and window sensor
Wolf Secure Wireless door and window sensor (new design)
Wolf Secure Wireless motion detection sensor (PIR) with pet immunity
Wolf Secure Wireless motion sensor (PIR)
Wolf Secure Wireless panic button
and many more, so go this great site!!