This is a fingerprint authentication smart lock padlock. I bought it and opened the package, but it didn't suit my needs, so I haven't set up any fingerprints or used it. Price at purchase: around 1400 yen USB rechargeable fingerprint authentication padlock, with a battery life of up to 10 years. - Type: Fingerprint authentication padlock - Charging method: USB rechargeable - Size: Approximately 9.6cm x 7.6cm - Battery life: Up to 10 years - Colors: Silver, Black Thank you for looking.