The Alarm-D is a high-security D-lock with an integral alarm.

The Alarm-D boasts a 16mm shackle and comes with a high-tech pick-resistant locking system.

The Alarm-D has a key replacement service. When you buy your Alarm-D, simply note down the number that comes attached to the keys on a metal tag. Keep this in a safe place, so that 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.

Features:

• Loud 120dB alarm siren.
• 16mm shackle.
• 3 x high-security keys.
• Long-life Lithium CR2 battery.