R503 kreisrunde runde RGB-Anzeige LED-Steuerung DC3,3 V MX1,0-6 Pin kapazitiv 9092
30,84 €
The R503 fingerprint module has a built-in algorithm chip. The flexibility to adapt to the conditions was the fingers, whether it is dry fingers, wet fingers, light texture fingerprints fingers, and old fingers, all have high recognition rate.
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