Description <br> Adopt high-quality large chip, with 192*192 pixels and 200 fingerprint capacity <br> M25 metal thread design, and easy to install <br> Waterproof process IP65, meeting different scene applications <br> RGB ring indicator: with bright seven-color RGB ring indicator, it can provide visual feedback of operation status, making it easy to use and beautiful in appearance <br> and reliable: Made of high-quality materials to durability and long-term reliability in environmental conditions <br> <br> Working voltage: DC 3.3V <br> Standby current (finger detection): Typical touch standby voltage: 3.3V Average current: 2uA <br> Working current (fingerprint collection): 20mA <br> Power-on start time: 50ms <br> Image size: 192*192 pixel <br> Collection area: 15mm diameter <br> Image resolution: 508 dpi <br> Time to generate feature points: Less than 500 ms <br> Comparison time: 1:N Less than 100ms/fingerprint <br> Eigenvalue size: 512 bytes <br> Template size: 1536 bytes <br> Storage capacity: 200 pieces <br> False acceptance rate (FAR): 0.001% <br> False rejection rate (FRR): 1% <br> Communication interface: UART (3.3V TTL level), default 57600 <br> Working temperature: -20 - +60 <br> Storage temperature: -40 - +75 <br> Working humidity: 10%-85% (no condensation) <br> Storage humidity: Less than 85% (no condensation) <br> Colour:black <br> Material:Plastic + Metal <br> Due to different batches, there may be differences in product appearance and printed text, which not affect use <br> <br> Package Contents: <br> 1 * Fingerprint Module <br> <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>