UA400 adopts the brand new firmware and provides an unprecedented user experience. It brings innumerable surprises, including the stunning GUI, rock-solid stability, fast matching speed and expandability. Users can easily manage data by networking UA400 via TCP/IP, USB Host or USB Client. Most importantly, all the functions can still operate in a networking state. UA400 is compatibility with various types of USB flash disks, ADMS and former SDK. It also supports data backup and retrieve to avoid the risk of accidental deletion. It promotes the fingerprint time & attendance management to the next level. You can get the best of benefits from the UA400.

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Product Features

Remarkable user experience

Intuitive and stunning UI designed with the most popular and internationalized factor.

Interface operation adopts modularized hierarchical design. Simpler, Better and More logical.

Faster matching speed: less than 0.5 second

Excellent expandability

Easy to extend functions and customize customers’ demand

Enhanced features and performance

Support user validity settings

Support data backup and retrieve.

Support advanced Workcode consisted of letters and numbers.

Support chip encryption for firmware protection

Support more flexible menu configuration: double line text display

Support external printer for attendance records output (Optional)

Technical Specifications

Fingerprint Capacity

3000 (1:N)

Card Capacity

10,000 (Optional)

Record Capacity



3-inch Screen


TCP/IP, USB ( host & client)

Standard Functions

Web Server, Short Message, Automatic Status Switch, Self-Service Query, Work Code, T9 input, 9 Digits User ID, DST, Schedule Bell

Optional Functions

ID/Mifare Card, External Printer and Bell, photo ID, ADMS


ZKTimeNet 3.0, BioTime 8.0

Power Supply

DC 5V 0.8A

Verification Speed

<_0.5 sec

Operating Temp.

0 °C- 45 °C

Operating Humidity



180 × 135 × 37 mm (Length × Width × Thickness)

Net Weight

0.70 kg