1. Integrated collecting and algorithm chip together, ALL-in-One 2. The flexibility to adapt to the conditions was the , whether it is dry , wet , light texture fingerprints , and old , all have high recognition rate 3. The main application areas: can be embedded into a variety of end products, such as: access control, attendance, safety deposit box Model : R503-5V Type : Capacitive Fingerprint Module Interface : UART(TTL) Resolution : 508 DPI Voltage : DC 5V Fingerprint Capacity: 200 Sensing array: 192*192 pixel Working current : 20mA Standby current : Typical touch standby voltage: 3.3V, Average current: 2uA Fingerprint module external size : Diameter 28 (mm) Fingerprint module inner size : Diameter 23.5 (mm) Fingerprint module height : 19 (mm) Effective collection area : Diameter 15.5 (mm) Connector: MX1.25-6Pin LED Control : YES LED Color : RGB Work Humidity: 10-85% Anti-static capacity: 15KV Abrasive resistance intensity : 1 million times Colour:As shown Material:Metal Package Contents: 1 x Module Sensor Scanner Only the above package content, other products are not included. Note: Light 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.