Features :

Integrated image collecting and algorithm chip together, ALL-in-One
Fingerprint reader can conduct
secondary development, can be embedded into a variety of end products
Users can conduct secondary development, can be embedded into a variety of end products, such as: access control, attendance, safety deposit box, car door locks

Low power consumption, low cost, small size, excellent performance
Professional optical technology, precise module manufacturing technics
Good image processing capabilities, can successfully capture image up to
resolution 500 dpi
Finger  detection function.

Specification :

Type: Optical 
Sensor Life: 100 million times
Static indicators: 15KV
Backlight: Blue
Interface: USB2.0/UART(TTL logical level)
RS232 communication baud rate: 9600BPS~115200BPS changeable
Image Capture Surface 15×11(mm)
Verification Speed:  0.2 sec
Scanning Speed: 0.3 sec
Character file size:  256 bytes
Template size:  512 bytes
Storage capacity: 1000
Security level: 3 (1,2,3,4,5(highest))
False Acceptance Rate (FAR) :≤0.0001%
False Rejection Rate (FRR): ≤0.1%
Resolution 500 DPI
Voltage :4.2--6VDC
( or 3.3V )
Working current: Typical ≤75mA
Matching Method:  1: N
Operating Envirement Temperature: -20 to 50 degrees

R307 fingerprint module size chart
R307 fingerprint module circuit board diagram



3.3VDC power may be selected to supply when short ciucuit as the following drawing.
Caution: Operating carefully, and R307 will be damaged when wong connection.


Package Includes :

1 x Fingerprint Reader

You can download the R307 user manual from this website link:
Details Pictures :







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(1) FREE Shipping 10 - 15 business days, (2) Standard Shipping 7 - 12 business days.

Shipping and Delivery Estimates

We ship in-stock orders as soon as possible. This is often within two business days, but there are situations where it may take longer. All estimates are based on business days.


(1) The shipping time mentioned above refers to the estimated time of business days that the shipment will take after an order has been shipped.

(2) Business days do not include Saturday/Sunday and any public holidays.

(3) These estimates are based on normal circumstances and are not a guarantee of delivery times.

(4) We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, customs issues, and any other event beyond our direct control.

Our policy lasts 14 days. If 14 days have gone by since your purchase, unfortunately we can't offer you a refund or exchange. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

for more information please visit our Refunds & Returns Policy page.

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R307 Optical Fingerprint Reader Module Sensor Finger Detection Function

$70.99 $43.99