anti-theft bike lock motorcycle lock usb fingerprint lock folding u-lock bike

fingerprint entry: 1. initially, press any fingerprint to enter the fingerprint recognition port. the green led flashes meanwhile you hear two sounds,it will unlock 2. within 5 seconds after unlocking,when the green led is shining,put the fingerprint that you want to enter pressed the fingerprint recognition port for 4 seconds,you will hear a sound,that means enter the input mode. 3. after the finger leaves, press 8 times continuously, and you will hear a sound every time. the last time there will be two sounds, then the finger will leave. after 10 seconds, the led will go out and the recording will be completed.