" CAMA new generation compact fingerprint access control reader features fashionable compact design, easy operation, fast verification speed and comfortable fingerprint collecting window. Optical total reflection fingerprint sensor 1: N verification and 1: 1 identification function Self-learning function of the fingerprint features CPU: STM32F103RDT6 ARM 32-bit Cortex-M3 72MHz, 384KB Flash, 64KB SRAM Sensor: CMOS image sensor: HV7131, optical total reflection Scan Area: 20mm X 22mm Fingerprint image: 210 x 250 ( pixel) Fingerprint capacity: 2000( extensible) FAR: < 0.001% FRR: