Smart U Type Fingerprint Padlock FL-U9

FL-U9 smart u fingerprint bike lock combines traditional locks with high-tech fingerprint technology, while keeping the traditional key unlock, making fingerprint identification the main way to unlock.

  • [ Finger is the Key ]:

    Smart fingerprint lock ,fingerprint touch to unlock/lock. Never lose your key again! Also don’t worry that the key is copied or the password is cracked.
  • [ Easy Operation ]:

    Stores 10 fingerprints, which are directly managed within thumbprint padlock. No computer/smartphone is needed.
  • [Automatic Recognition Technology]:

    When the fingerprint bike lock is in empty status,you can use any finger to unlock .After administrator account is set , it is private.
  • [ More intelligent and humanized ]:

    while fingerprint become the main opening method, remain the traditional key unlock,when the power is run out, keys can also opening.
  • [ IP65 Waterproof Padlock ]:

    Up to IP65 level fingerprint bike lock, prevent from the rain and dust efficiently.
  • [ 0.5 Second Unlock ]:

    Quick-recognition technology ,fingerprint door lock support to identify your fingerprint quickly.
  • [ Low Power Consumption ]:

    After full battery,u fingerprint bike lock offering 3500-4000 times lock/unlock actions.

FL-U9 Smart U Lock Fingerprint Bike Lock  

  • Live fingerprint recognition, quickly and conveniently lock/unlock,efficient prevent the copying of the fingerprint
  • Experiential unlocking, when in empty status,any finger can be unlocked, after administrator account is set, it is private
  • Accessing control,save 10 sets fingerprint ,smart fingerprint lock can be shared 
  • 2 spare keys with B-class lock core, avoid unlocking failed when the power is run out
  • U type design ,stainless steel +TPE case and high toughness steel shackle, high security level

Fingerprint lock specification

smart fingerprint bike lock

FL-U9 Smart Fingerprint U Type Lock

Smart u type fingerprint lock ,while keeping the traditional key unlock, making fingerprint identification the main way to unlock

Detail information

bike lock

Smart Door Lock & Fingerprint Bike Lock

U type smart door lock applied for office or store glass door,fingerprint bike lock can also work for safety of outdoor bike ,bicycle,motorcycle

fingerprint bike lock

Make Your Outdoor Travel Safer and Easier

Not only a fingerprint bike lock ,but also can be as fingerprint motorcycle lock, easy operation ,touch and go ,make you no worry

fingerprint recognition padlock

Live Fingerprint Recognition Technology

Smart padlock with live fingerprint recognition technology,effectively avoid fingerprint copying,give you safe protection

fingerprint bike lock with key

Smart Fingerprint U Lock

Not only traditional key opening,but also smart fingerprint recognition to unlock, fingerprint & key , more convenient and security

fingerprint glass door lock

New Safer U Lock Fingerprint Lock

Compared with traditional u lock, not only key opening, fingerprint touch can also unlocked, double opening way, more smart and convenient 

u lock

Heat Treatment Plus Hard Alloy Steel Explosion-proof Shear

With rubber sleeve lock beam anti-16 tons hydraulic shears,hardened heat treatment,military technology,anti-16 tons pressure pliers 

motorcycle lock

Stainless Steel Body

Compared with the common u lock,fingerprint u lock with stainless steel body,environment protection TPE rubber,more security

motorcycle fingerprint  lock

Eight Advantages Fingerprint Bike Lock

Smart fingerprint bike lock,live fingerprint recognition and keys dual setting,stainless steel material ,lasting life ,more convenient and safer

smart padlock

Authorized Access Enhanced Security

Add/delete fingerprint, no need to connect to smartphone to operate,physical and logic are isolated to maximize enhanced lock safety

fingerprint scanner padlock

360º Fingerprint Recognition

Up to 10 fingerprints storage,biometric fingerprint registering for 10 times,multi-angle registration to freely unlock

Usage method

check the empty status

Check the empty state

  • Press the panel to unlock,then press the panel about  3s
  • If  the blue is on, it means fingerprint bike lock is empty, you can set administrator account directly
  • If the blue and red light flash alternately, it means fingerprint bike lock has administrator account. You need to identify administrator finger firstly,then registering account

set administrator account

Set administrator acounts

  • Press the panel to unlock,then press the panel for 3s, the blue is on
  • Place the administrator finger 10 times
  • If the blue light is on with along beep, then off to standby status. The user accounts setting is successful

set user account

Set user accounts

  • Press the panel to unlock ,then press the panel for 3s, the blue and red light flash alternately
  • Identifying administrator fingerprint,blue light is on,then place the user finger 10 times
  • If the blue light is on with along beep, then off to standby status. The user accounts setting is successful


Lock( Fingerprint )                                                                                            Lock (Key)

  • Insert and press the lock shackle                                                              1. Insert the key,the key turn left
  • Locking                                                                                                       2. Locking


Unlock ( Fingerprint)                                                                               Unlock( Key )

  • Press the panel ,the blue light is on with a beep                                1. Insert the key, the key turn right
  • Pull out the lock shackle                                                                     2. Pull out the lock shackle


Reset fingerprint bike lock

  • At locked status ,press down the lock beam for 3s till the red light flash,identify the administrator finger
  • If the red light is on with a long beep , then the light is off to standby status. The resetting is successfulcharging


  • When touch the panel to unlock,if the blue and red light will flash , it means the fingerprint bike lock is in low power status
  • Please use the original USB Type-C cable to connect the fingerprint u lock and adaptor with 5V output

About usCompany Pictures

SHENZHEN WALSUN DIGITAL TECHNOLOGY CO.,LTD. founded in 2013, headquartered in Shenzhen, Guangdong, China. Walsun is the leading fingerprint solutions provider in China, focusing on the development and production of fingerprint technology products and embedded fingerprint solutions. 

At present, Walsun has 2 factories and R&D centers, multiple international marketing, and more than 200 employees. We attaches great importance to R & D design, including software development and hardware design. Walsun not only won the honor of Guangdong Province Enterprise of Observing Contact and Value Credit, but also obtained the invention patent of the fingerprint padlock, the U type lock invention patent and the utility model patent and software patent and appearance patent of many products, total hundreds of certification patents at home and abroad, and also got BSCI and ISO9001 international certification and SGS certification.

After years of efforts and development, Walsun has set up very close business relationships with the international shopping malls, supermarkets, trade agents and established the strategic partners relationship.

Walsun take the R & D as company's core competitiveness. Through innovation, keep improving the product design to meet the personalized needs of consumers. Walsun are striving to achieve the vision.

Customer reception

Customers Reception

Customers Reception

Product line

Product Line


Certificates of Fingerprint Lock 


Q1. May I customize the fingerprint bike lock to print my logo?

A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

Q2. How many fingerprints the smart U lock can be registered?
A:The smart bike lock can stores 10 fingerprints, including 1 administrator account and 9 user accounts.

Q3. Does your smart fingerprint U lock need key and passwords?

A: The FL-U9 smart bike lock, Key and Fingerprint dual configuration, you can place fingerprint on the panel to unlock. And  you can also use traditional key to opening, make it more convenient and safe.

Q4. How many times does the fingerprint bike lock can be used after one fully charge?
A:The fingerprint U lock full battery can offer about 3500-4000 times lock/unlock actions.

Q5. Do your products include the waterproof and dustproof function?

A: Yes, it is IP65 level weatherproof fingerprint bike lock,and prevents the dust and rain efficiently.

Q6. What is the weight of your fingerprint u lock?

A: Just 1300g weight smart small bike u lock. It’s convenient to carry.

Q7: Does the indicator of smart bike lock have any reminder?
A: Yes, smart fingerprint U lock's indicator  has low voltage,lock & unlock remind function.

Q8:  Do you offer quality guarantee about fingerprint bike lock?
A: Yes, we offer 1 year warranty to our smart bike lock.

Q9: Where can the fingerprint u lock be used ?

A: FL-U9 U type fingerprint lock is a multi-use smart padlock ,you can use it as fingerprint glass door lock for office or store, it can also be applied in bike/bicycle, motorcycle etc.