Features : * Curve LCD Keypad  * 1 x PI Expansion module  * 15W siren  * 40VA Power Supply  * 12V 7AH Battery Backup  * 2 x magnetic contacts for doors , windows etc.  * 2 x Panic buttons  * 5 x Lifeguard II PIR - 6 or 12m range selection motion detector Model: IDS901-X16-KIT3  Manufacturer: IDS