SLK20R is a leading fingerprint scanner designed by ZKTeco USA laboratory which adopts the advanced optical design. It has a superior ability to do live fingerprint detection and capture high-quality fingerprint images by 2 Megapixel camera. It can be the most comfortable and affordable desktop enrollment and identification device. ParametersModel NameSLK20RMaterialOpticalCPU280MHz DSPFlash32 MBSoCRTOS [image out only]Image Quality2-megapixel pixels CMOSEncrypted Fingerprint DataYesWater SplashYesPower Consumption5V : 200mA Scanning, 5V : 60mA idle (waiting for finger)Fingerprint Liveness DetectionYesLEDWhiteProduct CertificationsFCC, CE, RoHS, PIVPower Voltage5V (USB)Power Current200mACommunicationUSB 2.0 / USB1.1Interface SocketUSB Type AImage Resolution500 dpiEffective Collecting Area15.24 * 20.32 mm (FAP20)Collecting Area16.5 * 23 mmImage Size300 * 400 pixels (FAP20 )Dimensions (L*W*H)49 * 44 * 20.1mmImage FormatsRAW, BMP, JPGTemplateZKFinger V10.0, ISO19794-2, ANSI-378Template Size1- 4KB (ZKFinger V10.0); 1, 568 B (ISO 19794-2)Grayscale256Weight0.12kgOperating Environment-20°C ~ +50°C, 90% r. h.