grow r301t capacitive fingerprint access control module sensor scanner reader for arduino android linux windows

grow r301t capacitive fingerprint access control module sensor scanner for android linux windows interface:usb 2.0 and rs232 (ttl) resolution:508 dpi voltage:dc 4.2-6.0v fingerprint capacity:3000 fingerprint reader module size:33.4 * 20.4 (mm) effective collection area:10 * 10 (mm)