Adopt high-quality large chip, with 192*192 pixels and 200 fingerprint capacityM25 metal thread design, durable and easy to installWaterproof process ≥IP65, meeting different scene applicationsRGB 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 appearanceDurable and reliable: Made of high-quality materials to ensure durability and long-term reliability in various environmental conditionsWorking voltage: DC 3.3VStandby current (finger detection): Typical touch standby voltage: 3.3V Average current: 2uAWorking current (fingerprint collection): 20mAPower-on start time: ≤50msImage size: 192*192 pixelCollection area: 15mm diameterImage resolution: 508 dpiTime to generate feature points: Less than 500 msComparison time: 1:N Less than 100ms/fingerprintEigenvalue size: 512 bytesTemplate size: 1536 bytesStorage capacity: 200 piecesFalse acceptance rate (FAR): ≤0.001%False rejection rate (FRR): ≤1%Communication interface: UART (3.3V TTL level), default 57600 bpsWorking temperature: -20℃ - +60℃Storage temperature: -40℃ - +75℃Working humidity: 10%-85% (no condensation)Storage humidity: Less than 85% (no condensation)Colour:blackMaterial:Plastic + MetalDue to different batches, there may be differences in product appearance and printed text, which will not affect usePackage Contents:1 * Fingerprint ModuleOnly the above package content, other products are not included.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.