feature:

• PC and ABS material, strong and durable.
• Easy to install, safe to use and beautiful in appearance.
• Intelligent learning fingerprint unlocking, high sensitivity.
• Multi-user fingerprint management, 20 management users.
• Don't worry about forgetting your password or losing your key.

Specification:

• Material: PC, ABS
  Colour: Black
  Lock body size: about 65x87.9x22.2mm
  Fingerprint panel size: about 30.2x30.3x7mm
  User fingerprint capacity: 20pcs
  Working temperature: -20-70℃
  Unlocking method: semiconductor fingerprint
  Unlock speed: 300ms
  Power supply: USB 3.7V
  Battery capacity: Built-in 500mAh battery

 How to use a padlock?
Add an admin user:
1. Press and hold the button (diamond light) for 2 seconds.
2. The LED will be blue and blink green.
3. Then press the fingerprint successfully 10 times, if successful, it will display blue, and if it fails, it will display red.
4. After touching 10 times, the indicator light turns green, and the registration is completed.
Delete all users:
1. Press and hold the button for 5 seconds.
2. When the indicator light turns from blue to red, press the administrator's fingerprint.
3. When the LED is green, all fingerprints are deleted, and when the LED is red, the fingerprint deletion fails.

notes:
1. The first and second registered fingerprints will be set as admin user, more users need admin user authentication.
2. When no fingerprint is registered, any fingerprint can be unlocked.
3. The LED is red when charging, and turns off when fully charged.