kenrone portable keyless usb charging smart fingerprint padlock sl90 quick unlock anti-theft biometric door lock for home use

number of fingerprints stored: 50 unlock: short press; if the unlock fails, the red light will be short; if the unlock is successful, the green light will be short. low voltage reminder: the red light will continue to flash for 6 seconds after unlocking charging: red light on;
fully charged: the red light is off. add fingerprint: long press for 8 seconds; red light flashes once if failed; green light for 3 seconds after success; blue light during administrator verification, and off after success..syi