Skip to content
Rainbow SkySMART LOCK MANUFACTURINGRequest a quote

RAINBOW SKY / SMART ACCESS

Smart U-Shaped Padlock SK-U9 – 5-in-1 Fingerprint Keypad Lock with Tuya App for Glass Doors

MODEL / SK-U9

Share your quantity, destination and installation requirements.

OEM / ODM supportSample enquiries
Explore details & specifications

A CLOSER LOOK

Details & specifications.

5-in-1 U-Shaped Smart Padlock

The SK-U9 is a U-shaped smart padlock that secures glass doors, aluminum frames, office entrances and bicycles with five unlock methods: fingerprint, password, RFID/NFC card, mechanical key and the Tuya App. A C-grade cylinder and cloud management make it a reliable keyless security upgrade.

Key Features

  • 5-in-1 unlock – fingerprint, password, RFID/NFC card, mechanical key and Tuya App.
  • Anti-peeping scramble password – enter random digits around your real code to hide it from onlookers.
  • U-shape design – easy to install and use on glass doors, aluminum doors and wooden doors.
  • Waterproof construction – reliable protection in outdoor use.
  • Digital keypad + display – clear status and simple PIN entry.
  • Tuya App cloud control – manage users and access from your phone.
  • Long battery life – 3 × AAA batteries, up to 2000 unlocks.

Specifications

Model SK-U9
Unlock methods Fingerprint / Password / RFID card / Mechanical key / Tuya App
Card frequency M1 13.56MHz
Fingerprint capacity 32
Password / card capacity 1000
Communication Bluetooth (Tuya App)
Power 3 × AAA batteries (up to 2000 unlocks)
Cylinder grade Grade C
Material ABS + stainless steel
Applications Glass doors, aluminum doors, office entrances, bicycles

Applications

The SK-U9 fits glass shop doors, office entrances, aluminum frame doors and bicycle storage. As a smart lock OEM/ODM manufacturer, we supply it with custom logo, packaging and color options for distributors and project buyers worldwide.

Contact us for bulk pricing, samples or OEM/ODM customization.

FROM SAMPLE TO ORDER

Make this product part of your project.

Samples & configuration

Ask about sample availability, minimum order quantity and app options for this model.

Branding & packaging

Share your logo, finish, packaging and language requirements to review customization options.

Delivery & support

Confirm lead time, shipping, installation documents and warranty terms for your order.

MINITEST
Scroll to Top
Request a Quote

Email Our Foreign Trade Team
Discuss product selection, samples and OEM/ODM requirements directly with our factory team.

WhatsApp+8613534099319

Include the product model, quantity and destination country. The email link opens a draft in your email app; you can also copy the address into your preferred mail service. Business hours: Mon–Fri, 10:30–16:30 (China Standard Time, UTC+8).