Alarm Padlock - Black

It makes siren noise when touched or senses vibration. This Lock Alarm is a hardened steel padlock which has an in-built alarm which will omit a siren of 110 decibels if touched or tampered with in any way thus alerting you to unwanted attention. High security design made of durable steel 96 - 98 db alarm that sounds when tampered Two settings - active alarm and inactive alarm Suitable for all weather conditions Powered by 6 lithium batteries Keep your bike, garage door, garden shed, side gate tool box locker, or anything you desire secure with this Heavy Duty Siren Alarm Padlock.

This lock comes equipped with two settings, armed and unarmed, so you can be alerted by a 96 - 98 db alarm when the lock is tampered with. Basically, double the protection. The Heavy Duty Siren Alarm Padlock has a body made of extra strong cast steel as well as a high-grade steel shackle. 

• Features 
• 1. It will be triggered to alarm when somebody is spying or smashing the locks.
• 2.180 high-decibel siren alarm; effective deterrent to criminals;
• 3. Automatically armed after two laps rotation.
• 4. Padlock with three core key, more keys, low rate of interactive opened, high security;
• 5. No remote control, only the key to arm and disarm;
• 6. Electromechanical integration control, all-round protection;
• 7. The same way install with the ordinary locks;

Function
When you go out and close your door, rotate two laps the padlock with the key so that close the door lock, means the lock was armed. It will be automatically triggered to alarm and effective detrrent to criminals with the 180 high-decibel siren alarm if the lock was pried . It is more easy to operate because of integrate arm and disarm to one same acts.
Combines locking function with alarming function. Built-in movement triggered alarm, which can emit loud sound when the lock is hit or shaken. 
Adopts MCU core procedures, high-tech integrated circuit and digital sensor chip.
Can be set to two states: mechanical lock and alarm.
Low false alarm rate.
Low power consumption.
Can be used on door, window, bicycle, container, motor bike, tricycle, pull gate, garden, etc.
Corrosion resistant, waterproof and durable to use.
Powered by six button batteries.
Supplied with three keys, convenient to use.

Note: When you place the shackle with groove into lock near key port, then the lock comes into alarming state. When the shackle with groove is placed away from key port, the lock is just in the mechanical lock state. 
Specifications
Color: Black
Material: zinc alloy
Alarm decibel: 120dB
Power supplied by: 6 * AG13 button
Lock size: 7 * 3.3 * 9.8cm/ 2.7 * 1.3 * 3.8in 
Lock weight: 313g/ 11oz 
Package size: 17 * 13.5 * 4.2cm/ 6.7 * 5.3 * 1.6in 
Package weight: 374g/ 13.2oz 
Packing list: 
1 * Alarm lock 
3 * Keys Packaging 
Details 
Package Weight: 0.400kg (0.88lb.) 
Package Size: 18cm x 14cm x 5cm (7.09in x 5.51in x 1.97in 
Q: Does the alarm trigger when the padlock is bumped/disturbed or only if someone tries to break it? Will it go off if the bike is hit, or someone...
A: A definitely yes . It is loud. I am using it on my motorcycle too. 
Q: Is there a way to change the batteries after they wear out?
A:Battery Replacement To replace the batteries, remove the shackle and carefully undo the two screws at the bottom of the shackle holes. Pull the padlock apart, carefully open the battery cover and replace the batteries. Do not lose or damage the rubber washer on each screw. Make sure you insert 6 x LR44 1.5V cell batteries with the correct polarity. In normal conditions, batteries should last up to 6 months or over 2000 ten second alarms