【Bluetooth Unlock】Set up the administrator and user to unlock remotely through the Bluetooth connection application. The gym lock is also very useful because the combo lock can be used to generate a temporary password and share it with family and friends. In addition, the gym locker lock also supports fingerprint removal and unlocking time recording, which is safe and intelligent. | 【Fingerprint Unlock】Touch your finger to unlock the fingerprint within 0.5 seconds. Large-capacity fingerprint memory-up to 15 fingerprints can be registered. Using advanced identification technology, the unlocking speed is faster than ordinary rope locks and key locks. No longer worry about losing the key or forgetting the password. | 【Durable and High Security】The fingerprint padlock adopts stainless steel bolts and a high-density core alloy all-metal body, which is durable and extremely safe. The fingerprint recognition rate is as high as 99%, and it only takes 0.2 seconds to unlock. | 【Long Battery Life and USB Charging】The gate lock has low power consumption and long standby time. A rechargeable 110MAH lithium battery can support 1 year standby and can be unlocked more than 2000 times. When the lock is out of power, you can use a USB cable to charge it with a power bank or charger. | 【Safe, Stable, Massive Guarantee】Small lock are efficient, convenient, and unlockable, a must for smart life. A Japanese instruction manual is attached, but the operation is simple. If you have any questions, please feel free to contact us. We are at your service 24 hours a day. If you want refund, please reset and delete the administrator fingerprint, because there is no other way to open the lock except you.