The Oxford Alarm-D is a high security d-lock with integral alarm. The alarm-d boasts a 14mm shackle and comes with a high tech pick-resistant locking system. It also includes a unique carry bracket (not included with alarm-d scoot).
The Alarm-D has a key replacement service. When you buy your alarm-d, simply note down the number which comes attached to the keys on a metal tag. Keep this in a safe place, then in the event that you are unfortunate enough to lose all your keys, it will be possible to get a new key made up for you.