Detailed Product Description

 Siren alarm padlock  (Siren padlock, alarm padlock)

1.Alarm sound:

.110dB siren

2.Alarm system

.Alarm in the bottom of the lock body

.Alarm under water, waterproof
.Auto-alarming system & locking system
.Can be used alarmed or without alarm
.Three tone alarm
.Automatic reset

.Dual Shock & Movement Sensor

.Anti-muffle design

3.Lock body:
.Dimensions:106MM(H)*62.8MM(W)*28.3MM(D),

.Hardened Zinc alloy body

.Corrosion Resistant
.Weather resistant

.Ice Spray Proof & resistant against salt and hard weather  
.Anti Drill
.Anti bumper prevents scratching
.Removable Alarm Module

4.Lock shackle:
.Shackle diameter:φ10mm
.Hot processed hardened Stainless steel

.Chrome finished 

.Anti twist shackle

.Anti cut

.Single side  removable shackle

5.Lock battery:

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

.Life time:12months under usual use

6.Lock keys:

.Copper material keys

.High security

.More keys available

7.Advantages of this alarm lock:

Anti muffle design, people can't use their hands or fingers to muffle the alarm sound. 

Single side shackle removable, you can leave where you want to lock, not easy to get lost. 

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