Very loud 100dB alarm. Can be used as a disc lock or a padlock. The Oxford Boss Alarm has been independently tested and approved by Sold Secure Powered Cycle (Motorcycle) Gold standard, SBSC and FG. Can be used with a chain to create the perfect chain lock (OF7/8/9)Spares available: Batteries x 6 (Oxford part number: OF229B), Alarm module (Oxford part number: OF3A).
eBay