Adopt high-quality large chip, with 192*192 pixels and 200 fingerprint capacity M25 metal thread design, durable and easy to install Waterproof process ≥IP65, meeting different scene applications 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 Durable and reliable: Made of high-quality materials to ensure durability and long-term reliability in various environmental conditions Working voltage: DC 3.3V Standby current (finger detection): Typical touch standby voltage: 3.3V Average current: 2uA Working current (fingerprint collection): 20mA Power-on start time: ≤50ms Image size: 192*192 pixel Collection area: 15mm diameter Image resolution: 508 dpi Time to generate feature points: Less than 500 ms Comparison time: 1:N Less than 100ms/fingerprint Eigenvalue size: 512 bytes Template size: 1536 bytes Storage capacity: 200 pieces False acceptance rate (FAR): ≤0.001% False rejection rate (FRR): ≤1% Communication interface: UART (3.3V TTL level), default 57600 bps Working temperature: -20℃ - +60℃ Storage temperature: -40℃ - +75℃ Working humidity: 10%-85% (no condensation) Storage humidity: Less than 85% (no condensation) Colour:black Material:Plastic + Metal Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 1 * Fingerprint Module Only 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. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.