Hanperal Electronic Anti-Theft Lock Code Controlled Alarm Security Safe Chain For Bicycle

Material: Plastic + copper + rope
Dimensions: 92X55X34 mm
Loud Alarm(Over 105db)
Storage Temperature: -20 ℃ ~ + 80 ℃
Working temperature: -10 ℃ ~ + 60 ℃
3 “AAA” battery-powered (not included)
Battery life: standby mode, about more than 1 year
Steel specification: length 1200 mm, diameter 10 mm
Vibrating or alarming when password is wrong
Vbration function: shaking or moving the lock to the police
Tamper Function: Remove the lock screw to the police
Self-defense capabilities: Pull out the wire rope can be used for self-defense whip use
Anti-cut function: the police immediately cut the rope
Package include:
1x digital lock .
1 x instructions.

Change password:
1.Make sure the unit not in the lock mode.
2.Press and hold the “1”button 3 seconds,untill will sound “Bi”tone and the LED will flash,enter the old password(the original password 1234),
the until will sound “Bi Bi” tone, then enter the new 4 digits password, after the passwards are completed, the unit will sound “Bi Bi Bi” to remind the password change is successful.

1.The unit is waterproof, but it can’ be soaked in the water. In freezing weather, please dry off the water near the lock bar in the case water freezes which may cause the lock bar get stuck. 2.After receiving the goods, please carefully read the instructions in the package.

Product Features

  • Alarm sound of 105 decibels or more
  • Work at -10 ℃ ~ + 60 ℃ harsh conditions
  • Lock / unlock button operation, without key
  • Waterproof, suitable for indoor and outdoor use
  • Anti-theft features: alarm immediately pressed the wrong password three times