Description <br> 1. Integrated image collecting and algorithm chip together, integration <br> 2. The flexibility to adapt to the conditions was the fingers, whether it is dry fingers, wet fingers, light texture fingerprints fingers, and old fingers, all have high recognition rate <br> 3. The main application areas: can be embedded into a variety of end products, such as: access control, attendance, safety deposit box <br> 4. The R503 fingerprint module has a built-in algorithm chip <br> 5. The interface line spacing is 1.0mm, and the line length is 20cm. Thread diameter is 25mm, easy to install. <br> Supply voltage: DC 3.3V <br> Working current: 30mA (typ.) <br> Peak current: 40mA <br> Fingerprint image entry time: Less than 0.3 seconds <br> Acquisition window area: 15mm in diameter <br> Image pixel: 192*192 pixel <br> Image Resolution: 508dpi <br> Match method: <br> Comparison method (1:1) <br> Search method (1:N) <br> Storage capacity: 200 pieces <br> Security level: five (from low to high: 1, 2, 3, 4, 5) <br> False Recognition Rate (FAR): Less than 0.0001% <br> Authentic rejection rate (FRR): Less than 1.0% <br> Search time: Less than 0.3 seconds (1:1000, average) <br> Host computer interface: RS232 (TTL logic level, 3.3V) <br> Communication baud rate: (9600xN)bps where N=1~12 (default value N=6, ie 57600bps) <br> working environment: <br> Temperature: -20Celsius-+45Celsius <br> Relative humidity: 10%RH-85%RH (non-condensing) <br> Colour:silver <br> Material:Plastic + Metal <br> Size:Fingerprint module height: 19mm/15mm/32mm <br> <br> Package Contents: <br> 1 x Barcode Scanner Module <br> Only the above package content, other products are not included. <br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. <br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store