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 alarm lock. 
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. Ultra strong alarm 
padlock. Great for locking up your garage, shed, bikes etc. Virtually 
unbreakable. Pick resistant keyhole. Long life batteries included. 3 
keys are included. Motion sensor design.Operating 
Instruction: Insert key, turn in a clockwise direction and remove 
shackle. Replace shackle into lock with groove towards key port. The 
lock will "beep", at this point remove the key and the alarm will set 
after 15 seconds.When the lock is vibrated twice within 5 seconds the 
alarm will sound. The 5 second delay allows the lock to be opened by key
 without sounding. The alarm sounds in 10 second intervals. The alarm 
will keep sounding with constant movement or vibration. Once stopped the
 alarm will re-set after 35 seconds. Battery replacement: To replace the
 batteries remove the 2 screws in the shackle holes, remove cover and 
replace the batteries (6xAG13 1.5V). Be sure to pay attention to 
polarity and that cover goes on same way it came off. Batteries should 
last 2 years under normal operating situations. (6 batteries included.).
 Note: 1. To use as an ordinary padlock simply insert the shackle with 
the groove away from the key port, if using on moving vehicles or 
equipment use as an ordinary padlock until stationary then alarm may be 
set. The color of the actual items may slightly different from the 
listing images due to different computer screen, thanks for your 
understanding. Instruction is not included.