Siren lock

Widely use, for motorcycles, bicycles, containers, trucks, garden shed etc. Can protect you from unnecessary lost.

Anti muffle design, people can't use their hands or fingers to muffle the alarm sound. Single side removable shackle, you can leave the lock where it is if you don't want to close the lock. So it is not easy for people to lost their locks.

7.Advantages of this alarm lock:

.More keys available

.High security

.Copper material keys

6.Lock keys:

.Life time:12months under usual use

.Tamper proof batteries
.12pcs of button batteries free of charge

5.Lock battery:

.Single side removable shackle

.Anti cut

.Anti twist shackle

4.Lock shackle:
.Shackle diameter:

Siren lock 110db siren, siren speaker in the top of the lock body, antimuffle design, anti cut, alarm under water, water proof.