• Anti-Saw,Anti-Drill,Even Safer
• Waterproof,Dustproof,Longer Lifespan
• 5-digits keyless lock
• Material:high-quality manganese steel chain
• The original password is: 00000

Replace new password way:

• turn digital to five 0
• unplug the lock cylinder,it has a knob,you turn it clockwise
• then you can turn the digital set new password(alignment standard)
• then teh knob turn back.new password stting success

Package include:

• 1 * Bicycle 5 digit password lock