The firmware of U300-C has been upgraded to the New Firmware. It brings many new experiences, including the new stunning GUI, rock-solid stability, faster matching speed and better expandability. Users can easily manage data by networking U300-C via RS232, TCP/IP, and USB-host/client. Most importantly, all the functions can still operate in a networking state. U300-C 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 U300-C.

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Product image
Product image

Product Features

Remarkable user experience

Intuitive and stunning UI designed with the most popular and internationalized element

Interface operation adopts modularized hierarchical design. Simpler, better and more logical

Faster matching speed: less than 0.5 second

Enhanced features and performance

User validity settings

Data backup and retrieve

Advanced User ID consisted of letters and numbers

Chip encryption for firmware protection

More flexible menu configuration: double line text display

Built-in Serial and Ethernet ports

Excellent expandability

Easy to extend functions and customize customers demand

Technical Specifications

Fingerprint Capacity


Card Capacity

10,000 (Optional)

Record Capacity



3-inch Screen


RS232, TCP/IP, USB-host, USB-client(optional)

Standard Functions

SMS, Work code, DST, Scheduled-bell, Self-Service Query, Automatic Status Switch, T9 Input, 9 Digit User ID

Optional Functions

ID/Mifare/HID, Webserver, Photo ID, ADMS, External Bell and Printer, Multiple Verify Mode


ZKTime.Net 3.0,BioTime 8.0

Power Supply

DC 5V 0.8A

Verification Speed

<_0.5 Sec.

Operating Temp.

0°C - 45°C

Operating Humidity

20% - 80%


181.6×126×49mm (Length×Width×Thickness)

Gross Weight

1.2 kg