Anti-theft Alarm Padlock

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. 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. Package included: 1 X Alarm Lock. 3 X Keys.