Gorilla 8017
http://www.amazon.com/Gorilla-Automotive-8017-Motorcycle-Paging/dp/B003QJF12O $149.72
http://lockitt.com/Lockitt/product/ALGR8017.html $148.84
http://www.ebay.co.uk/itm/Gorilla-Motorcycle-Scooter-Alarm-with-with-2-Way-Paging-System-120dB-Model-8017-/181136681452?pt=UK_Motorcycle_Parts&hash=item2a2c9669ec#shId
£128.99
http://www.ebay.de/itm/Gorilla-Motorcycle-Scooter-Alarm-with-with-2-Way-Paging-System-120dB-Model-8017-/300841318533?pt=Motorcycles_Parts_Accessories&hash=item460b8a3885 EUR 142,61 + US $19,99
Tellimus: http://www.cli-maxridinggear.com/servlet/the-1/Gorilla-8017-2-way/Detail $140.23 Shipping appears to be free
http://www.ebay.de/itm/HIGHEND-2-WEGE-ALARMANLAGE-MOTORRAD-QUAD-ROLLER-/110677374512?pt=Motorrad_Kraftradteile&hash=item19c4e2b630